#21779C#21779C
#21779C is a mid, moderate cyan. Relative luminance 0.159; OKLCH L 53.7% C 0.097 H 231.7°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).
Color values
| HEX | #21779C |
|---|---|
| RGB | rgb(33, 119, 156) |
| HSL | hsl(198, 65%, 37%) |
| HSV | hsv(198, 79%, 61%) |
| CMYK | cmyk(78.8%, 23.7%, 0%, 38.8%) |
| CIE-LAB | lab(46.86, -11.89, -27.06) |
| CIE-LCH | lch(46.86, 29.56, 246.28°) |
| OKLab | oklab(53.67% -0.0602 -0.0762) |
| OKLCH | oklch(53.67% 0.097 231.7) |
| XYZ | xyz(13.2223, 15.9157, 33.8212) |
| Luminance | 0.1592 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cerulean
#007BA7
ΔE00 2.15
Sea Blue
#047495
ΔE00 2.67
Ocean Blue (survey)
#03719C
ΔE00 2.77
Nice Blue
#107AB0
ΔE00 4.37
Dirty Blue
#3F829D
ΔE00 5.33
Stormy Blue
#507B9C
ΔE00 5.93
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21779C #9C4621
analogous
#219C84 #21779C #213A9C
triadic
#21779C #9C2177 #779C21
tetradic
#21779C #84219C #9C4621 #3A9C21
square
#21779C #84219C #9C4621 #3A9C21
split-complementary
#21779C #9C213A #9C8421
monochromatic
#0C2A37 #165069 #21779C #2C9ECF #5BB5DC
Accessibility & contrast
On white
5.02
#21779C on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.18
#21779C on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #21779C
5.02:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21779C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##21779C | 1.00 | 5.02 | 4.18 | 5.02 |
| #FFFFFF | 5.02 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.18 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.02 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#64769E
Deuteranopia (green-blind)
#546A9B
Tritanopia (blue-blind)
#008183
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #21779c; /* rgb */ color: rgb(33, 119, 156); /* oklch */ color: oklch(53.7% 0.097 231.7);
Tailwind
colors: {
custom: {
50: '#709eb9',
500: '#21779c',
950: '#000000',
},
}SCSS
$custom: #21779c; $custom-light: #709eb9; $custom-dark: #000000;
JSON
{
"hex": "#21779c",
"rgb": {
"r": 33,
"g": 119,
"b": 156
},
"hsl": {
"h": 198.049,
"s": 65.079,
"l": 37.059
},
"oklch": {
"l": 0.5367,
"c": 0.09712,
"h": 231.7
},
"luminance": 0.15917
}Semantic roles & 50–950 ramp
primary
#21779C
secondary
#C17858
accent
#7240E8
background
#F7F9FB
surface
#EDF2F6
border
#C8CCD0
text
#090E11
muted
#7B7E80