#21817C#21817C
#21817C is a mid, moderate teal. Relative luminance 0.175; OKLCH L 54.9% C 0.086 H 189.8°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).
Color values
| HEX | #21817C |
|---|---|
| RGB | rgb(33, 129, 124) |
| HSL | hsl(177, 59%, 32%) |
| HSV | hsv(177, 74%, 51%) |
| CMYK | cmyk(74.4%, 0%, 3.9%, 49.4%) |
| CIE-LAB | lab(48.86, -27.93, -5.18) |
| CIE-LCH | lch(48.86, 28.41, 190.51°) |
| OKLab | oklab(54.88% -0.0843 -0.0145) |
| OKLCH | oklch(54.88% 0.086 189.8) |
| XYZ | xyz(12.1138, 17.4776, 21.8000) |
| Luminance | 0.1748 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Teal
#008080
ΔE00 2.27
Bluegreen
#017A79
ΔE00 3.22
Greenish Blue
#0B8B87
ΔE00 3.70
Dark Cyan
#0A888A
ΔE00 3.89
Darkcyan
#008B8B
ΔE00 4.23
Dark Aquamarine
#017371
ΔE00 5.34
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21817C #812126
analogous
#21814C #21817C #215681
triadic
#21817C #7C2181 #817C21
tetradic
#21817C #4C2181 #812126 #568121
square
#21817C #4C2181 #812126 #568121
split-complementary
#21817C #812156 #814C21
monochromatic
#08201E #15504D #21817C #2DB2AB #4BD1CA
Accessibility & contrast
On white
4.67
#21817C on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.50
#21817C on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #21817C
4.67:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21817C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##21817C | 1.00 | 4.67 | 4.50 | 4.67 |
| #FFFFFF | 4.67 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.50 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.67 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#797A7C
Deuteranopia (green-blind)
#6C707D
Tritanopia (blue-blind)
#00857F
Achromatopsia (no color)
#747474
Design tokens & code
CSS
--color: #21817c; /* rgb */ color: rgb(33, 129, 124); /* oklch */ color: oklch(54.9% 0.086 189.8);
Tailwind
colors: {
custom: {
50: '#6da6a1',
500: '#21817c',
950: '#000000',
},
}SCSS
$custom: #21817c; $custom-light: #6da6a1; $custom-dark: #000000;
JSON
{
"hex": "#21817c",
"rgb": {
"r": 33,
"g": 129,
"b": 124
},
"hsl": {
"h": 176.875,
"s": 59.259,
"l": 31.765
},
"oklch": {
"l": 0.54877,
"c": 0.08559,
"h": 189.8
},
"luminance": 0.17479
}Semantic roles & 50–950 ramp
primary
#21817C
secondary
#B44A50
accent
#454EE2
background
#F7FAF9
surface
#EDF4F2
border
#C8CECC
text
#080F0F
muted
#7B7F7E