#102F3B#102F3B
#102F3B is a dark, muted cyan. Relative luminance 0.025; OKLCH L 28.8% C 0.042 H 226.6°. Best body text is #FFFFFF at 14.08:1 contrast (WCAG AA passes).
Color values
| HEX | #102F3B |
|---|---|
| RGB | rgb(16, 47, 59) |
| HSL | hsl(197, 57%, 15%) |
| HSV | hsv(197, 73%, 23%) |
| CMYK | cmyk(72.9%, 20.3%, 0%, 76.9%) |
| CIE-LAB | lab(17.73, -6.91, -11.02) |
| CIE-LCH | lch(17.73, 13.01, 237.90°) |
| OKLab | oklab(28.79% -0.0291 -0.0307) |
| OKLCH | oklch(28.79% 0.042 226.6) |
| XYZ | xyz(2.0193, 2.4587, 4.5050) |
| Luminance | 0.0246 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Blue Grey
#1F3B4D
ΔE00 5.30
Gunmetal
#2A3439
ΔE00 6.40
Dark
#1B2431
ΔE00 8.42
Charcoal
#36454F
ΔE00 8.68
Dark Grey Blue
#29465B
ΔE00 8.81
Dark Slate Blue
#214761
ΔE00 9.68
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#102F3B #3B1C10
analogous
#103B32 #102F3B #101A3B
triadic
#102F3B #3B102F #2F3B10
tetradic
#102F3B #32103B #3B1C10 #1A3B10
square
#102F3B #32103B #3B1C10 #1A3B10
split-complementary
#102F3B #3B101A #3B3210
monochromatic
#071318 #071318 #102F3B #1D556B #2A7C9B
Accessibility & contrast
On white
14.08
#102F3B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.49
#102F3B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #102F3B
14.08:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##102F3B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##102F3B | 1.00 | 14.08 | 1.49 | 14.08 |
| #FFFFFF | 14.08 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.49 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 14.08 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#292E3C
Deuteranopia (green-blind)
#22293B
Tritanopia (blue-blind)
#003333
Achromatopsia (no color)
#2B2B2B
Design tokens & code
CSS
--color: #102f3b; /* rgb */ color: rgb(16, 47, 59); /* oklch */ color: oklch(28.8% 0.042 226.6);
Tailwind
colors: {
custom: {
50: '#546771',
500: '#102f3b',
950: '#000000',
},
}SCSS
$custom: #102f3b; $custom-light: #546771; $custom-dark: #000000;
JSON
{
"hex": "#102f3b",
"rgb": {
"r": 16,
"g": 47,
"b": 59
},
"hsl": {
"h": 196.744,
"s": 57.333,
"l": 14.706
},
"oklch": {
"l": 0.28793,
"c": 0.04233,
"h": 226.6
},
"luminance": 0.02459
}Semantic roles & 50–950 ramp
primary
#102F3B
secondary
#754532
accent
#7247E1
background
#F5F6F6
surface
#E9EBEC
border
#C5C6C7
text
#030607
muted
#787A7A