#21538D#21538D
#21538D is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.9% C 0.110 H 254.3°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).
Color values
| HEX | #21538D |
|---|---|
| RGB | rgb(33, 83, 141) |
| HSL | hsl(212, 62%, 34%) |
| HSV | hsv(212, 77%, 55%) |
| CMYK | cmyk(76.6%, 41.1%, 0%, 44.7%) |
| CIE-LAB | lab(34.87, 4.57, -36.97) |
| CIE-LCH | lch(34.87, 37.25, 277.05°) |
| OKLab | oklab(43.94% -0.0297 -0.1055) |
| OKLCH | oklch(43.94% 0.11 254.3) |
| XYZ | xyz(8.5264, 8.4320, 26.3723) |
| Luminance | 0.0843 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dusk Blue
#26538D
ΔE00 0.68
Light Navy
#155084
ΔE00 2.05
Light Navy Blue
#2E5A88
ΔE00 2.66
Denim Blue
#3B5B92
ΔE00 4.03
Cobalt (survey)
#1E488F
ΔE00 4.13
Deep Sea Blue
#015482
ΔE00 4.50
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21538D #8D5B21
analogous
#21898D #21538D #25218D
triadic
#21538D #8D2153 #538D21
tetradic
#21538D #8D2189 #8D5B21 #218D25
square
#21538D #8D2189 #8D5B21 #218D25
split-complementary
#21538D #8D2521 #898D21
monochromatic
#0A192A #15365B #21538D #2D70BF #528FD6
Accessibility & contrast
On white
7.82
#21538D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.69
#21538D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #21538D
7.82:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21538D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##21538D | 1.00 | 7.82 | 2.69 | 7.82 |
| #FFFFFF | 7.82 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.69 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.82 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#37578F
Deuteranopia (green-blind)
#264D8C
Tritanopia (blue-blind)
#006169
Achromatopsia (no color)
#525252
Design tokens & code
CSS
--color: #21538d; /* rgb */ color: rgb(33, 83, 141); /* oklch */ color: oklch(43.9% 0.110 254.3);
Tailwind
colors: {
custom: {
50: '#6c82af',
500: '#21538d',
950: '#000000',
},
}SCSS
$custom: #21538d; $custom-light: #6c82af; $custom-dark: #000000;
JSON
{
"hex": "#21538d",
"rgb": {
"r": 33,
"g": 83,
"b": 141
},
"hsl": {
"h": 212.222,
"s": 62.069,
"l": 34.118
},
"oklch": {
"l": 0.43944,
"c": 0.10966,
"h": 254.3
},
"luminance": 0.08433
}Semantic roles & 50–950 ramp
primary
#21538D
secondary
#BA8950
accent
#9A43E5
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#080A10
muted
#7A7C7F