#21778F#21778F
#21778F is a mid, moderate cyan. Relative luminance 0.155; OKLCH L 53.0% C 0.086 H 220.9°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).
Color values
| HEX | #21778F |
|---|---|
| RGB | rgb(33, 119, 143) |
| HSL | hsl(193, 63%, 35%) |
| HSV | hsv(193, 77%, 56%) |
| CMYK | cmyk(76.9%, 16.8%, 0%, 43.9%) |
| CIE-LAB | lab(46.31, -16.50, -20.25) |
| CIE-LCH | lch(46.31, 26.12, 230.83°) |
| OKLab | oklab(53.04% -0.0653 -0.0566) |
| OKLCH | oklch(53.04% 0.086 220.9) |
| XYZ | xyz(12.1799, 15.4987, 28.3309) |
| Luminance | 0.1550 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ocean
#017B92
ΔE00 2.25
Sea Blue
#047495
ΔE00 3.17
Dirty Blue
#3F829D
ΔE00 5.43
Cerulean
#007BA7
ΔE00 6.36
Teal Blue
#01889F
ΔE00 6.49
Ocean Blue (survey)
#03719C
ΔE00 6.71
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21778F #8F3921
analogous
#218F70 #21778F #21408F
triadic
#21778F #8F2177 #778F21
tetradic
#21778F #70218F #8F3921 #408F21
square
#21778F #70218F #8F3921 #408F21
split-complementary
#21778F #8F2140 #8F7021
monochromatic
#0A242C #164E5D #21778F #2CA0C1 #53BAD7
Accessibility & contrast
On white
5.12
#21778F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.10
#21778F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #21778F
5.12:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21778F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##21778F | 1.00 | 5.12 | 4.10 | 5.12 |
| #FFFFFF | 5.12 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.10 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.12 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#697490
Deuteranopia (green-blind)
#5A698F
Tritanopia (blue-blind)
#007F7F
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #21778f; /* rgb */ color: rgb(33, 119, 143); /* oklch */ color: oklch(53.0% 0.086 220.9);
Tailwind
colors: {
custom: {
50: '#6e9eaf',
500: '#21778f',
950: '#000000',
},
}SCSS
$custom: #21778f; $custom-light: #6e9eaf; $custom-dark: #000000;
JSON
{
"hex": "#21778f",
"rgb": {
"r": 33,
"g": 119,
"b": 143
},
"hsl": {
"h": 193.091,
"s": 62.5,
"l": 34.51
},
"oklch": {
"l": 0.53044,
"c": 0.08644,
"h": 220.9
},
"luminance": 0.155
}Semantic roles & 50–950 ramp
primary
#21778F
secondary
#BB6851
accent
#6642E6
background
#F7F9FA
surface
#EDF2F4
border
#C8CCCE
text
#080E10
muted
#7B7E7F