#21788A#21788A
#21788A is a mid, moderate cyan. Relative luminance 0.156; OKLCH L 53.1% C 0.083 H 214.9°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).
Color values
| HEX | #21788A |
|---|---|
| RGB | rgb(33, 120, 138) |
| HSL | hsl(190, 61%, 34%) |
| HSV | hsv(190, 76%, 54%) |
| CMYK | cmyk(76.1%, 13%, 0%, 45.9%) |
| CIE-LAB | lab(46.43, -18.76, -17.10) |
| CIE-LCH | lch(46.43, 25.39, 222.35°) |
| OKLab | oklab(53.08% -0.0684 -0.0477) |
| OKLCH | oklch(53.08% 0.083 214.9) |
| XYZ | xyz(11.9292, 15.5898, 26.4203) |
| Luminance | 0.1559 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ocean
#017B92
ΔE00 1.96
Deep Aqua
#08787F
ΔE00 5.43
Sea Blue
#047495
ΔE00 5.56
Teal Blue
#01889F
ΔE00 6.01
Dirty Blue
#3F829D
ΔE00 6.69
Deep Turquoise
#017374
ΔE00 8.33
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21788A #8A3321
analogous
#218A67 #21788A #21438A
triadic
#21788A #8A2178 #788A21
tetradic
#21788A #67218A #8A3321 #438A21
square
#21788A #67218A #8A3321 #438A21
split-complementary
#21788A #8A2143 #8A6721
monochromatic
#092227 #154D59 #21788A #2DA3BB #50BED5
Accessibility & contrast
On white
5.10
#21788A on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.12
#21788A on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #21788A
5.10:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21788A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##21788A | 1.00 | 5.10 | 4.12 | 5.10 |
| #FFFFFF | 5.10 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.12 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.10 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6B748B
Deuteranopia (green-blind)
#5D698A
Tritanopia (blue-blind)
#007F7E
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #21788a; /* rgb */ color: rgb(33, 120, 138); /* oklch */ color: oklch(53.1% 0.083 214.9);
Tailwind
colors: {
custom: {
50: '#6d9fac',
500: '#21788a',
950: '#000000',
},
}SCSS
$custom: #21788a; $custom-light: #6d9fac; $custom-dark: #000000;
JSON
{
"hex": "#21788a",
"rgb": {
"r": 33,
"g": 120,
"b": 138
},
"hsl": {
"h": 190.286,
"s": 61.404,
"l": 33.529
},
"oklch": {
"l": 0.53076,
"c": 0.08341,
"h": 214.9
},
"luminance": 0.15591
}Semantic roles & 50–950 ramp
primary
#21788A
secondary
#B9604E
accent
#5F43E5
background
#F7F9FA
surface
#EDF2F4
border
#C8CCCE
text
#080E10
muted
#7B7E7F