#21779E#21779E
#21779E is a mid, moderate cyan. Relative luminance 0.160; OKLCH L 53.8% C 0.099 H 233.1°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).
Color values
| HEX | #21779E |
|---|---|
| RGB | rgb(33, 119, 158) |
| HSL | hsl(199, 65%, 37%) |
| HSV | hsv(199, 79%, 62%) |
| CMYK | cmyk(79.1%, 24.7%, 0%, 38%) |
| CIE-LAB | lab(46.95, -11.17, -28.10) |
| CIE-LCH | lch(46.95, 30.23, 248.33°) |
| OKLab | oklab(53.77% -0.0595 -0.0792) |
| OKLCH | oklch(53.77% 0.099 233.1) |
| XYZ | xyz(13.3931, 15.9840, 34.7205) |
| Luminance | 0.1599 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cerulean
#007BA7
ΔE00 1.88
Ocean Blue (survey)
#03719C
ΔE00 2.53
Sea Blue
#047495
ΔE00 3.25
Nice Blue
#107AB0
ΔE00 3.71
Dirty Blue
#3F829D
ΔE00 5.64
Muted Blue
#3B719F
ΔE00 5.64
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21779E #9E4821
analogous
#219E87 #21779E #21399E
triadic
#21779E #9E2177 #779E21
tetradic
#21779E #87219E #9E4821 #399E21
square
#21779E #87219E #9E4821 #399E21
split-complementary
#21779E #9E2139 #9E8721
monochromatic
#0C2B39 #16516B #21779E #2C9DD1 #5CB5DD
Accessibility & contrast
On white
5.00
#21779E on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.20
#21779E on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #21779E
5.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21779E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##21779E | 1.00 | 5.00 | 4.20 | 5.00 |
| #FFFFFF | 5.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.20 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6476A0
Deuteranopia (green-blind)
#536A9D
Tritanopia (blue-blind)
#008184
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #21779e; /* rgb */ color: rgb(33, 119, 158); /* oklch */ color: oklch(53.8% 0.099 233.1);
Tailwind
colors: {
custom: {
50: '#719eba',
500: '#21779e',
950: '#000000',
},
}SCSS
$custom: #21779e; $custom-light: #719eba; $custom-dark: #000000;
JSON
{
"hex": "#21779e",
"rgb": {
"r": 33,
"g": 119,
"b": 158
},
"hsl": {
"h": 198.72,
"s": 65.445,
"l": 37.451
},
"oklch": {
"l": 0.53771,
"c": 0.09904,
"h": 233.1
},
"luminance": 0.15986
}Semantic roles & 50–950 ramp
primary
#21779E
secondary
#C17A59
accent
#743FE8
background
#F7F9FB
surface
#EDF2F6
border
#C8CCD0
text
#090E11
muted
#7B7E80