Pixeliro Logo
Pixeliro

#64748B

Slate Gray

#64748BSlate Gray

Luminance

0.171

Category

Blue

Type

Dark

Best On

#FFFFFF

Color Codes

All color formats for your project

HEX

HEX
#64748B
No #
64748B

RGB

RGB
rgb(100, 116, 139)
Values
R:100 G:116 B:139

HSL

HSL
hsl(215, 16%, 47%)
Values
H:215° S:16% L:47%

HSV / HSB

HSV
hsv(215, 28%, 55%)
Values
H:215° S:28% V:55%

CMYK

CMYK
cmyk(28%, 17%, 0%, 45%)
Values
C:28 M:17 Y:0 K:45

LAB

LAB
lab(48, 0, -15)
Values
L:48 a:0 b:-15

OKLCH

OKLCH
oklch(55.4% 0.041 257.4)
Values
L:55.4% C:0.041 H:257.4°

Code Formats

CSS
color: #64748B;
Swift
UIColor(red: 0.392, green: 0.455, blue: 0.545, alpha: 1.0)
Kotlin
Color(0xFF64748B)
Flutter
Color(0xFF64748B)
Android
#FF64748B

Contrast Analysis

WCAG compliance with grayscale colors

On White

4.76:1

AA

On Black

4.41:1

AA-large

Grayscale Contrast

Aa

0%

4.4

AA-large
Aa

10%

3.7

AA-large
Aa

20%

2.7

Fail
Aa

30%

1.8

Fail
Aa

40%

1.2

Fail
Aa

50%

1.2

Fail
Aa

60%

1.7

Fail
Aa

70%

2.3

Fail
Aa

80%

3.0

Fail
Aa

90%

3.8

AA-large
Aa

100%

4.8

AA

Best Grayscale Contrast

#FFFFFF with ratio 4.76:1

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, #9DA9B8 0%, #3A4350 100%)
OKLCH
linear-gradient(90deg, oklch(73.0% 0.026 254.0) 0%, oklch(38.0% 0.025 257.5) 100%)
Stops
0%
100%

Vibrant

135°
CSS
linear-gradient(135deg, #6F8CB3 0%, #3C5F90 100%)
OKLCH
linear-gradient(135deg, oklch(63.3% 0.068 256.0) 0%, oklch(48.2% 0.089 257.0) 100%)
Stops
0%
100%

Complementary

90°
CSS
linear-gradient(90deg, #64748B 0%, #8B7B65 100%)
OKLCH
linear-gradient(90deg, oklch(55.4% 0.041 257.4) 0%, oklch(59.2% 0.038 75.7) 100%)
Stops
0%
100%

Analogous

90°
CSS
linear-gradient(90deg, #65888B 0%, #64748B 50%, #68658B 100%)
OKLCH
linear-gradient(90deg, oklch(60.2% 0.039 202.8) 0%, oklch(55.4% 0.041 257.4) 50%, oklch(52.4% 0.059 287.8) 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, #65758B 0%, #181E25 100%)
OKLCH
linear-gradient(180deg, oklch(55.7% 0.039 256.4) 0%, oklch(23.2% 0.016 252.5) 100%)
Stops
0%
100%

Radial Glow

Radial
CSS
radial-gradient(circle, #8F9CAE 0%, #454F5F 100%)
OKLCH
radial-gradient(circle, oklch(68.8% 0.030 256.5) 0%, oklch(42.5% 0.030 259.8) 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