#21817A#21817A
#21817A is a mid, moderate teal. Relative luminance 0.174; OKLCH L 54.8% C 0.086 H 187.7°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).
Color values
| HEX | #21817A |
|---|---|
| RGB | rgb(33, 129, 122) |
| HSL | hsl(176, 59%, 32%) |
| HSV | hsv(176, 74%, 51%) |
| CMYK | cmyk(74.4%, 0%, 5.4%, 49.4%) |
| CIE-LAB | lab(48.79, -28.53, -4.10) |
| CIE-LCH | lch(48.79, 28.82, 188.17°) |
| OKLab | oklab(54.81% -0.0853 -0.0115) |
| OKLCH | oklch(54.81% 0.086 187.7) |
| XYZ | xyz(11.9887, 17.4276, 21.1406) |
| Luminance | 0.1743 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Teal
#008080
ΔE00 3.02
Bluegreen
#017A79
ΔE00 3.65
Greenish Blue
#0B8B87
ΔE00 3.91
Dark Cyan
#0A888A
ΔE00 4.57
Darkcyan
#008B8B
ΔE00 4.72
Dark Aquamarine
#017371
ΔE00 5.53
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21817A #812128
analogous
#21814A #21817A #215881
triadic
#21817A #7A2181 #817A21
tetradic
#21817A #4A2181 #812128 #588121
square
#21817A #4A2181 #812128 #588121
split-complementary
#21817A #812158 #814A21
monochromatic
#08201E #15504C #21817A #2DB2A8 #4BD1C7
Accessibility & contrast
On white
4.68
#21817A on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.49
#21817A on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #21817A
4.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21817A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##21817A | 1.00 | 4.68 | 4.49 | 4.68 |
| #FFFFFF | 4.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.49 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7A7A7A
Deuteranopia (green-blind)
#6C707B
Tritanopia (blue-blind)
#00847F
Achromatopsia (no color)
#747474
Design tokens & code
CSS
--color: #21817a; /* rgb */ color: rgb(33, 129, 122); /* oklch */ color: oklch(54.8% 0.086 187.7);
Tailwind
colors: {
custom: {
50: '#6da6a0',
500: '#21817a',
950: '#000000',
},
}SCSS
$custom: #21817a; $custom-light: #6da6a0; $custom-dark: #000000;
JSON
{
"hex": "#21817a",
"rgb": {
"r": 33,
"g": 129,
"b": 122
},
"hsl": {
"h": 175.625,
"s": 59.259,
"l": 31.765
},
"oklch": {
"l": 0.54806,
"c": 0.0861,
"h": 187.7
},
"luminance": 0.17429
}Semantic roles & 50–950 ramp
primary
#21817A
secondary
#B44A52
accent
#4551E2
background
#F7FAF9
surface
#EDF4F2
border
#C8CECC
text
#080F0E
muted
#7B7F7E