#21778A#21778A
#21778A is a mid, moderate cyan. Relative luminance 0.154; OKLCH L 52.8% C 0.083 H 216.1°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).
Color values
| HEX | #21778A |
|---|---|
| RGB | rgb(33, 119, 138) |
| HSL | hsl(191, 61%, 34%) |
| HSV | hsv(191, 76%, 54%) |
| CMYK | cmyk(76.1%, 13.8%, 0%, 45.9%) |
| CIE-LAB | lab(46.11, -18.22, -17.59) |
| CIE-LCH | lch(46.11, 25.33, 224.00°) |
| OKLab | oklab(52.82% -0.0674 -0.0491) |
| OKLCH | oklch(52.82% 0.083 216.1) |
| XYZ | xyz(11.8095, 15.3506, 26.3804) |
| Luminance | 0.1535 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ocean
#017B92
ΔE00 1.97
Sea Blue
#047495
ΔE00 5.05
Deep Aqua
#08787F
ΔE00 5.89
Teal Blue
#01889F
ΔE00 6.32
Dirty Blue
#3F829D
ΔE00 6.59
Cerulean
#007BA7
ΔE00 8.34
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21778A #8A3421
analogous
#218A68 #21778A #21428A
triadic
#21778A #8A2177 #778A21
tetradic
#21778A #68218A #8A3421 #428A21
square
#21778A #68218A #8A3421 #428A21
split-complementary
#21778A #8A2142 #8A6821
monochromatic
#092227 #154C59 #21778A #2DA2BB #50BDD5
Accessibility & contrast
On white
5.16
#21778A on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.07
#21778A on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #21778A
5.16:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21778A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##21778A | 1.00 | 5.16 | 4.07 | 5.16 |
| #FFFFFF | 5.16 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.07 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.16 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6A738B
Deuteranopia (green-blind)
#5C698A
Tritanopia (blue-blind)
#007E7D
Achromatopsia (no color)
#6D6D6D
Design tokens & code
CSS
--color: #21778a; /* rgb */ color: rgb(33, 119, 138); /* oklch */ color: oklch(52.8% 0.083 216.1);
Tailwind
colors: {
custom: {
50: '#6d9eac',
500: '#21778a',
950: '#000000',
},
}SCSS
$custom: #21778a; $custom-light: #6d9eac; $custom-dark: #000000;
JSON
{
"hex": "#21778a",
"rgb": {
"r": 33,
"g": 119,
"b": 138
},
"hsl": {
"h": 190.857,
"s": 61.404,
"l": 33.529
},
"oklch": {
"l": 0.52818,
"c": 0.08337,
"h": 216.1
},
"luminance": 0.15352
}Semantic roles & 50–950 ramp
primary
#21778A
secondary
#B9614E
accent
#6043E5
background
#F7F9FA
surface
#EDF2F4
border
#C8CCCE
text
#080E10
muted
#7B7E7F