#21495B#21495B
#21495B is a dark, muted cyan. Relative luminance 0.058; OKLCH L 38.5% C 0.054 H 229.8°. Best body text is #FFFFFF at 9.68:1 contrast (WCAG AA passes).
Color values
| HEX | #21495B |
|---|---|
| RGB | rgb(33, 73, 91) |
| HSL | hsl(199, 47%, 24%) |
| HSV | hsv(199, 64%, 36%) |
| CMYK | cmyk(63.7%, 19.8%, 0%, 64.3%) |
| CIE-LAB | lab(29.01, -7.97, -14.87) |
| CIE-LCH | lch(29.01, 16.87, 241.82°) |
| OKLab | oklab(38.47% -0.0351 -0.0415) |
| OKLCH | oklch(38.47% 0.054 229.8) |
| XYZ | xyz(4.8973, 5.8433, 10.7653) |
| Luminance | 0.0584 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Grey Blue
#29465B
ΔE00 3.85
Dark Slate Blue
#214761
ΔE00 4.31
Dark Blue Grey
#1F3B4D
ΔE00 5.23
Charcoal
#36454F
ΔE00 6.04
Deep Sea Blue
#015482
ΔE00 9.09
Darkslategray
#2F4F4F
ΔE00 9.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21495B #5B3321
analogous
#215B50 #21495B #212C5B
triadic
#21495B #5B2149 #495B21
tetradic
#21495B #50215B #5B3321 #2C5B21
square
#21495B #50215B #5B3321 #2C5B21
split-complementary
#21495B #5B212C #5B5021
monochromatic
#081216 #11252E #21495B #316D88 #4291B5
Accessibility & contrast
On white
9.68
#21495B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.17
#21495B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #21495B
9.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21495B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##21495B | 1.00 | 9.68 | 2.17 | 9.68 |
| #FFFFFF | 9.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.17 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#40485C
Deuteranopia (green-blind)
#38425B
Tritanopia (blue-blind)
#004E4F
Achromatopsia (no color)
#444444
Design tokens & code
CSS
--color: #21495b; /* rgb */ color: rgb(33, 73, 91); /* oklch */ color: oklch(38.5% 0.054 229.8);
Tailwind
colors: {
custom: {
50: '#637b89',
500: '#21495b',
950: '#000000',
},
}SCSS
$custom: #21495b; $custom-light: #637b89; $custom-dark: #000000;
JSON
{
"hex": "#21495b",
"rgb": {
"r": 33,
"g": 73,
"b": 91
},
"hsl": {
"h": 198.621,
"s": 46.774,
"l": 24.314
},
"oklch": {
"l": 0.38472,
"c": 0.05432,
"h": 229.8
},
"luminance": 0.05844
}Semantic roles & 50–950 ramp
primary
#21495B
secondary
#8F5F49
accent
#7B51D6
background
#F6F7F8
surface
#EBEEF0
border
#C6C9CB
text
#05090B
muted
#7A7B7C