#21798E#21798E
#21798E is a mid, moderate cyan. Relative luminance 0.160; OKLCH L 53.5% C 0.086 H 217.7°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).
Color values
| HEX | #21798E |
|---|---|
| RGB | rgb(33, 121, 142) |
| HSL | hsl(192, 62%, 34%) |
| HSV | hsv(192, 77%, 56%) |
| CMYK | cmyk(76.8%, 14.8%, 0%, 44.3%) |
| CIE-LAB | lab(46.91, -17.94, -18.74) |
| CIE-LCH | lch(46.91, 25.95, 226.25°) |
| OKLab | oklab(53.51% -0.0678 -0.0523) |
| OKLCH | oklch(53.51% 0.086 217.7) |
| XYZ | xyz(12.3450, 15.9496, 28.0139) |
| Luminance | 0.1595 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ocean
#017B92
ΔE00 1.34
Sea Blue
#047495
ΔE00 4.58
Teal Blue
#01889F
ΔE00 5.58
Dirty Blue
#3F829D
ΔE00 5.63
Deep Aqua
#08787F
ΔE00 6.62
Cerulean
#007BA7
ΔE00 7.50
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21798E #8E3621
analogous
#218E6D #21798E #21428E
triadic
#21798E #8E2179 #798E21
tetradic
#21798E #6D218E #8E3621 #428E21
square
#21798E #6D218E #8E3621 #428E21
split-complementary
#21798E #8E2142 #8E6D21
monochromatic
#0A242B #154F5C #21798E #2DA3C0 #52BDD7
Accessibility & contrast
On white
5.01
#21798E on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.19
#21798E on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #21798E
5.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21798E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##21798E | 1.00 | 5.01 | 4.19 | 5.01 |
| #FFFFFF | 5.01 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.19 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.01 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6B758F
Deuteranopia (green-blind)
#5D6B8E
Tritanopia (blue-blind)
#008080
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #21798e; /* rgb */ color: rgb(33, 121, 142); /* oklch */ color: oklch(53.5% 0.086 217.7);
Tailwind
colors: {
custom: {
50: '#6ea0af',
500: '#21798e',
950: '#000000',
},
}SCSS
$custom: #21798e; $custom-light: #6ea0af; $custom-dark: #000000;
JSON
{
"hex": "#21798e",
"rgb": {
"r": 33,
"g": 121,
"b": 142
},
"hsl": {
"h": 191.56,
"s": 62.286,
"l": 34.314
},
"oklch": {
"l": 0.53512,
"c": 0.08563,
"h": 217.7
},
"luminance": 0.15951
}Semantic roles & 50–950 ramp
primary
#21798E
secondary
#BA6550
accent
#6242E5
background
#F7F9FA
surface
#EDF2F4
border
#C8CCCE
text
#080E10
muted
#7B7E7F