#21558E#21558E
#21558E is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.5% C 0.109 H 253.2°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).
Color values
| HEX | #21558E |
|---|---|
| RGB | rgb(33, 85, 142) |
| HSL | hsl(211, 62%, 34%) |
| HSV | hsv(211, 77%, 56%) |
| CMYK | cmyk(76.8%, 40.1%, 0%, 44.3%) |
| CIE-LAB | lab(35.54, 3.66, -36.50) |
| CIE-LCH | lch(35.54, 36.68, 275.72°) |
| OKLab | oklab(44.49% -0.0314 -0.1041) |
| OKLCH | oklch(44.49% 0.109 253.2) |
| XYZ | xyz(8.7564, 8.7723, 26.8177) |
| Luminance | 0.0877 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dusk Blue
#26538D
ΔE00 1.23
Light Navy Blue
#2E5A88
ΔE00 2.10
Light Navy
#155084
ΔE00 2.24
Denim Blue
#3B5B92
ΔE00 3.90
Deep Sea Blue
#015482
ΔE00 4.17
Cobalt (survey)
#1E488F
ΔE00 4.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21558E #8E5A21
analogous
#218C8E #21558E #23218E
triadic
#21558E #8E2155 #558E21
tetradic
#21558E #8E218C #8E5A21 #218E23
square
#21558E #8E218C #8E5A21 #218E23
split-complementary
#21558E #8E2321 #8C8E21
monochromatic
#0A1A2B #15375C #21558E #2D73C0 #5292D7
Accessibility & contrast
On white
7.62
#21558E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.75
#21558E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #21558E
7.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21558E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##21558E | 1.00 | 7.62 | 2.75 | 7.62 |
| #FFFFFF | 7.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.75 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3A5990
Deuteranopia (green-blind)
#294F8D
Tritanopia (blue-blind)
#00626A
Achromatopsia (no color)
#545454
Design tokens & code
CSS
--color: #21558e; /* rgb */ color: rgb(33, 85, 142); /* oklch */ color: oklch(44.5% 0.109 253.2);
Tailwind
colors: {
custom: {
50: '#6c84af',
500: '#21558e',
950: '#000000',
},
}SCSS
$custom: #21558e; $custom-light: #6c84af; $custom-dark: #000000;
JSON
{
"hex": "#21558e",
"rgb": {
"r": 33,
"g": 85,
"b": 142
},
"hsl": {
"h": 211.376,
"s": 62.286,
"l": 34.314
},
"oklch": {
"l": 0.44489,
"c": 0.10877,
"h": 253.2
},
"luminance": 0.08773
}Semantic roles & 50–950 ramp
primary
#21558E
secondary
#BA8850
accent
#9842E5
background
#F7F8FA
surface
#EDEFF4
border
#C8CACE
text
#080A10
muted
#7B7C7F