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Pixeliro

#1F2937

Charcoal

#1F2937Charcoal

Luminance

0.022

Category

Blue

Type

Dark

Best On

#FFFFFF

Color Codes

All color formats for your project

HEX

HEX
#1F2937
No #
1F2937

RGB

RGB
rgb(31, 41, 55)
Values
R:31 G:41 B:55

HSL

HSL
hsl(215, 28%, 17%)
Values
H:215° S:28% L:17%

HSV / HSB

HSV
hsv(215, 44%, 22%)
Values
H:215° S:44% V:22%

CMYK

CMYK
cmyk(44%, 25%, 0%, 78%)
Values
C:44 M:25 Y:0 K:78

LAB

LAB
lab(16, 0, -10)
Values
L:16 a:0 b:-10

OKLCH

OKLCH
oklch(27.8% 0.030 256.8)
Values
L:27.8% C:0.030 H:256.8°

Code Formats

CSS
color: #1F2937;
Swift
UIColor(red: 0.122, green: 0.161, blue: 0.216, alpha: 1.0)
Kotlin
Color(0xFF1F2937)
Flutter
Color(0xFF1F2937)
Android
#FF1F2937

Contrast Analysis

WCAG compliance with grayscale colors

On White

14.68:1

AAA

On Black

1.43:1

Fail

Grayscale Contrast

Aa

0%

1.4

Fail
Aa

10%

1.2

Fail
Aa

20%

1.2

Fail
Aa

30%

1.7

Fail
Aa

40%

2.6

Fail
Aa

50%

3.7

AA-large
Aa

60%

5.2

AA
Aa

70%

7.0

AAA
Aa

80%

9.1

AAA
Aa

90%

11.7

AAA
Aa

100%

14.7

AAA

Best Grayscale Contrast

#FFFFFF with ratio 14.68:1

Aa

Color Harmonies

Harmonious color combinations

complementary

Two colors opposite on the color wheel (180°)

split-complementary

Base color + two colors adjacent to its complement

triadic

Three colors evenly spaced (120° apart)

tetradic

Four colors evenly spaced (90° apart)

analogous

Three colors adjacent on the color wheel (30° apart)

Color Variations

Tints, shades, tones, and full scale

Color Scale (50-900)

50

100

200

300

400

500

600

700

800

900

Tints (Lighter)

Shades (Darker)

Tones (Desaturated)

Gradients (OKLCH)

Primary

90°
CSS
linear-gradient(90deg, #445A79 0%, #2E3D52 100%)
OKLCH
linear-gradient(90deg, oklch(46.3% 0.058 257.0) 0%, oklch(35.6% 0.042 256.9) 100%)
Stops
0%
100%

Vibrant

135°
CSS
linear-gradient(135deg, #274062 0%, #305D9C 100%)
OKLCH
linear-gradient(135deg, oklch(36.8% 0.067 256.4) 0%, oklch(47.9% 0.114 257.2) 100%)
Stops
0%
100%

Complementary

90°
CSS
linear-gradient(90deg, #1F2937 0%, #372D1F 100%)
OKLCH
linear-gradient(90deg, oklch(27.8% 0.030 256.8) 0%, oklch(30.4% 0.028 75.7) 100%)
Stops
0%
100%

Analogous

90°
CSS
linear-gradient(90deg, #1F3537 0%, #1F2937 50%, #211F37 100%)
OKLCH
linear-gradient(90deg, oklch(31.2% 0.028 203.1) 0%, oklch(27.8% 0.030 256.8) 50%, oklch(25.4% 0.045 286.6) 100%)
Stops
0%
50%
100%

Sunset

90°
CSS
linear-gradient(90deg, #F6CE55 0%, #EE6C2B 50%, #E6193C 100%)
OKLCH
linear-gradient(90deg, oklch(86.4% 0.144 90.6) 0%, oklch(68.0% 0.177 43.8) 50%, oklch(59.1% 0.228 21.2) 100%)
Stops
0%
50%
100%

Ocean

135°
CSS
linear-gradient(135deg, #19A1E6 0%, #22C3B6 50%, #47D1A3 100%)
OKLCH
linear-gradient(135deg, oklch(67.5% 0.146 238.9) 0%, oklch(73.8% 0.124 186.2) 50%, oklch(77.5% 0.136 166.9) 100%)
Stops
0%
50%
100%

Dark Mode

180°
CSS
linear-gradient(180deg, #1F2937 0%, #181E25 100%)
OKLCH
linear-gradient(180deg, oklch(27.8% 0.030 256.8) 0%, oklch(23.2% 0.016 252.5) 100%)
Stops
0%
100%

Radial Glow

Radial
CSS
radial-gradient(circle, #3B4E68 0%, #374962 100%)
OKLCH
radial-gradient(circle, oklch(41.9% 0.050 256.4) 0%, oklch(40.1% 0.048 256.7) 100%)
Stops
0%
100%

💡 About OKLCH Gradients

OKLCH (Oklch Color Space) provides perceptually uniform gradients with better color transitions than traditional RGB/HSL gradients. The format is oklch(L% C H) where L = Lightness (0-100%), C = Chroma (0-0.4), H = Hue (0-360°).

Generate Full Palette

Create a complete brand palette from this color with primary, secondary, accent, and neutral scales.

View Palette