#21536F#21536F
#21536F is a dark, moderate cyan. Relative luminance 0.077; OKLCH L 42.2% C 0.071 H 236.5°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).
Color values
| HEX | #21536F |
|---|---|
| RGB | rgb(33, 83, 111) |
| HSL | hsl(202, 54%, 28%) |
| HSV | hsv(202, 70%, 44%) |
| CMYK | cmyk(70.3%, 25.2%, 0%, 56.5%) |
| CIE-LAB | lab(33.26, -6.92, -20.98) |
| CIE-LCH | lch(33.26, 22.09, 251.74°) |
| OKLab | oklab(42.15% -0.0391 -0.0589) |
| OKLCH | oklch(42.15% 0.071 236.5) |
| XYZ | xyz(6.5886, 7.6568, 16.1665) |
| Luminance | 0.0766 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 4.27
Deep Sea Blue
#015482
ΔE00 4.48
Dark Grey Blue
#29465B
ΔE00 5.22
Light Navy
#155084
ΔE00 6.11
Light Navy Blue
#2E5A88
ΔE00 6.59
Ugly Blue
#31668A
ΔE00 7.02
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21536F #6F3D21
analogous
#216F64 #21536F #212C6F
triadic
#21536F #6F2153 #536F21
tetradic
#21536F #64216F #6F3D21 #2C6F21
square
#21536F #64216F #6F3D21 #2C6F21
split-complementary
#21536F #6F212C #6F6421
monochromatic
#071218 #133040 #21536F #2F769E #4398C7
Accessibility & contrast
On white
8.30
#21536F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.53
#21536F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #21536F
8.30:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21536F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##21536F | 1.00 | 8.30 | 2.53 | 8.30 |
| #FFFFFF | 8.30 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.53 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.30 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#465370
Deuteranopia (green-blind)
#3B4B6F
Tritanopia (blue-blind)
#005A5C
Achromatopsia (no color)
#4E4E4E
Design tokens & code
CSS
--color: #21536f; /* rgb */ color: rgb(33, 83, 111); /* oklch */ color: oklch(42.2% 0.071 236.5);
Tailwind
colors: {
custom: {
50: '#668398',
500: '#21536f',
950: '#000000',
},
}SCSS
$custom: #21536f; $custom-light: #668398; $custom-dark: #000000;
JSON
{
"hex": "#21536f",
"rgb": {
"r": 33,
"g": 83,
"b": 111
},
"hsl": {
"h": 201.538,
"s": 54.167,
"l": 28.235
},
"oklch": {
"l": 0.42151,
"c": 0.07071,
"h": 236.5
},
"luminance": 0.07658
}Semantic roles & 50–950 ramp
primary
#21536F
secondary
#A36949
accent
#7F4ADE
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#060A0D
muted
#7A7C7E