Pixeliro Logo
Pixeliro

#21252B

Charcoal

#21252BCharcoal

Luminance

0.018

Category

Blue

Type

Dark

Best On

#FFFFFF

Color Codes

All color formats for your project

HEX

HEX
#21252B
No #
21252B

RGB

RGB
rgb(33, 37, 43)
Values
R:33 G:37 B:43

HSL

HSL
hsl(216, 13%, 15%)
Values
H:216° S:13% L:15%

HSV / HSB

HSV
hsv(216, 23%, 17%)
Values
H:216° S:23% V:17%

CMYK

CMYK
cmyk(23%, 14%, 0%, 83%)
Values
C:23 M:14 Y:0 K:83

LAB

LAB
lab(15, 0, -5)
Values
L:15 a:0 b:-5

OKLCH

OKLCH
oklch(26.3% 0.013 258.4)
Values
L:26.3% C:0.013 H:258.4°

Code Formats

CSS
color: #21252B;
Swift
UIColor(red: 0.129, green: 0.145, blue: 0.169, alpha: 1.0)
Kotlin
Color(0xFF21252B)
Flutter
Color(0xFF21252B)
Android
#FF21252B

Contrast Analysis

WCAG compliance with grayscale colors

On White

15.39:1

AAA

On Black

1.36:1

Fail

Grayscale Contrast

Aa

0%

1.4

Fail
Aa

10%

1.1

Fail
Aa

20%

1.2

Fail
Aa

30%

1.8

Fail
Aa

40%

2.7

Fail
Aa

50%

3.8

AA-large
Aa

60%

5.4

AA
Aa

70%

7.3

AAA
Aa

80%

9.6

AAA
Aa

90%

12.2

AAA
Aa

100%

15.4

AAA

Best Grayscale Contrast

#FFFFFF with ratio 15.39:1

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, #4E5765 0%, #373E48 100%)
OKLCH
linear-gradient(90deg, oklch(45.4% 0.026 259.2) 0%, oklch(36.1% 0.020 257.3) 100%)
Stops
0%
100%

Vibrant

135°
CSS
linear-gradient(135deg, #2E3C52 0%, #3F5E8D 100%)
OKLCH
linear-gradient(135deg, oklch(35.4% 0.043 259.3) 0%, oklch(48.0% 0.085 258.5) 100%)
Stops
0%
100%

Complementary

90°
CSS
linear-gradient(90deg, #21252B 0%, #2B2721 100%)
OKLCH
linear-gradient(90deg, oklch(26.3% 0.013 258.4) 0%, oklch(27.5% 0.012 78.1) 100%)
Stops
0%
100%

Analogous

90°
CSS
linear-gradient(90deg, #212A2B 0%, #21252B 50%, #22212B 100%)
OKLCH
linear-gradient(90deg, oklch(27.7% 0.013 204.7) 0%, oklch(26.3% 0.013 258.4) 50%, oklch(25.3% 0.019 289.6) 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, #21252B 0%, #181D25 100%)
OKLCH
linear-gradient(180deg, oklch(26.3% 0.013 258.4) 0%, oklch(22.9% 0.017 259.7) 100%)
Stops
0%
100%

Radial Glow

Radial
CSS
radial-gradient(circle, #434B56 0%, #434B56 100%)
OKLCH
radial-gradient(circle, oklch(41.0% 0.021 256.4) 0%, oklch(41.0% 0.021 256.4) 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