#21546E#21546E
#21546E is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.4% C 0.069 H 234.0°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).
Color values
| HEX | #21546E |
|---|---|
| RGB | rgb(33, 84, 110) |
| HSL | hsl(200, 54%, 28%) |
| HSV | hsv(200, 70%, 43%) |
| CMYK | cmyk(70%, 23.6%, 0%, 56.9%) |
| CIE-LAB | lab(33.54, -7.91, -19.91) |
| CIE-LCH | lch(33.54, 21.43, 248.34°) |
| OKLab | oklab(42.36% -0.0406 -0.0559) |
| OKLCH | oklch(42.36% 0.069 234) |
| XYZ | xyz(6.6109, 7.7891, 15.9039) |
| Luminance | 0.0779 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 4.87
Deep Sea Blue
#015482
ΔE00 5.39
Dark Grey Blue
#29465B
ΔE00 5.60
Ugly Blue
#31668A
ΔE00 7.14
Light Navy
#155084
ΔE00 7.18
Light Navy Blue
#2E5A88
ΔE00 7.43
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21546E #6E3B21
analogous
#216E61 #21546E #212D6E
triadic
#21546E #6E2154 #546E21
tetradic
#21546E #61216E #6E3B21 #2D6E21
square
#21546E #61216E #6E3B21 #2D6E21
split-complementary
#21546E #6E212D #6E6121
monochromatic
#071218 #13303F #21546E #2F789D #439AC7
Accessibility & contrast
On white
8.21
#21546E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.56
#21546E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #21546E
8.21:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21546E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##21546E | 1.00 | 8.21 | 2.56 | 8.21 |
| #FFFFFF | 8.21 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.56 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.21 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#47536F
Deuteranopia (green-blind)
#3D4B6E
Tritanopia (blue-blind)
#005B5D
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #21546e; /* rgb */ color: rgb(33, 84, 110); /* oklch */ color: oklch(42.4% 0.069 234.0);
Tailwind
colors: {
custom: {
50: '#668497',
500: '#21546e',
950: '#000000',
},
}SCSS
$custom: #21546e; $custom-light: #668497; $custom-dark: #000000;
JSON
{
"hex": "#21546e",
"rgb": {
"r": 33,
"g": 84,
"b": 110
},
"hsl": {
"h": 200.26,
"s": 53.846,
"l": 28.039
},
"oklch": {
"l": 0.4236,
"c": 0.06908,
"h": 234
},
"luminance": 0.0779
}Semantic roles & 50–950 ramp
primary
#21546E
secondary
#A26749
accent
#7C4BDD
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#060A0D
muted
#7A7C7E