#21506C#21506C
#21506C is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.2% C 0.069 H 237.9°. Best body text is #FFFFFF at 8.65:1 contrast (WCAG AA passes).
Color values
| HEX | #21506C |
|---|---|
| RGB | rgb(33, 80, 108) |
| HSL | hsl(202, 53%, 28%) |
| HSV | hsv(202, 69%, 42%) |
| CMYK | cmyk(69.4%, 25.9%, 0%, 57.6%) |
| CIE-LAB | lab(32.13, -6.16, -20.85) |
| CIE-LCH | lch(32.13, 21.74, 253.53°) |
| OKLab | oklab(41.21% -0.0368 -0.0586) |
| OKLCH | oklch(41.21% 0.069 237.9) |
| XYZ | xyz(6.2016, 7.1427, 15.2363) |
| Luminance | 0.0714 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 3.18
Dark Grey Blue
#29465B
ΔE00 4.28
Deep Sea Blue
#015482
ΔE00 4.48
Light Navy
#155084
ΔE00 5.70
Prussian Blue
#004577
ΔE00 6.44
Light Navy Blue
#2E5A88
ΔE00 6.67
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21506C #6C3D21
analogous
#216C62 #21506C #212B6C
triadic
#21506C #6C2150 #506C21
tetradic
#21506C #62216C #6C3D21 #2B6C21
square
#21506C #62216C #6C3D21 #2B6C21
split-complementary
#21506C #6C212B #6C6221
monochromatic
#071117 #132D3D #21506C #2F739B #4294C5
Accessibility & contrast
On white
8.65
#21506C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.43
#21506C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #21506C
8.65:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21506C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##21506C | 1.00 | 8.65 | 2.43 | 8.65 |
| #FFFFFF | 8.65 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.43 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.65 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#43506D
Deuteranopia (green-blind)
#39486C
Tritanopia (blue-blind)
#00575A
Achromatopsia (no color)
#4C4C4C
Design tokens & code
CSS
--color: #21506c; /* rgb */ color: rgb(33, 80, 108); /* oklch */ color: oklch(41.2% 0.069 237.9);
Tailwind
colors: {
custom: {
50: '#668196',
500: '#21506c',
950: '#000000',
},
}SCSS
$custom: #21506c; $custom-light: #668196; $custom-dark: #000000;
JSON
{
"hex": "#21506c",
"rgb": {
"r": 33,
"g": 80,
"b": 108
},
"hsl": {
"h": 202.4,
"s": 53.191,
"l": 27.647
},
"oklch": {
"l": 0.41209,
"c": 0.06918,
"h": 237.9
},
"luminance": 0.07143
}Semantic roles & 50–950 ramp
primary
#21506C
secondary
#A06949
accent
#814BDD
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#060A0D
muted
#7A7C7E