#21827B#21827B
#21827B is a mid, moderate teal. Relative luminance 0.177; OKLCH L 55.1% C 0.087 H 187.8°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).
Color values
| HEX | #21827B |
|---|---|
| RGB | rgb(33, 130, 123) |
| HSL | hsl(176, 60%, 32%) |
| HSV | hsv(176, 75%, 51%) |
| CMYK | cmyk(74.6%, 0%, 5.4%, 49%) |
| CIE-LAB | lab(49.15, -28.72, -4.16) |
| CIE-LCH | lch(49.15, 29.02, 188.23°) |
| OKLab | oklab(55.11% -0.0859 -0.0117) |
| OKLCH | oklch(55.11% 0.087 187.8) |
| XYZ | xyz(12.1833, 17.7172, 21.5127) |
| Luminance | 0.1772 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Teal
#008080
ΔE00 3.07
Greenish Blue
#0B8B87
ΔE00 3.57
Bluegreen
#017A79
ΔE00 3.91
Dark Cyan
#0A888A
ΔE00 4.36
Darkcyan
#008B8B
ΔE00 4.43
Dark Aquamarine
#017371
ΔE00 5.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21827B #822128
analogous
#21824B #21827B #215982
triadic
#21827B #7B2182 #827B21
tetradic
#21827B #4B2182 #822128 #598221
square
#21827B #4B2182 #822128 #598221
split-complementary
#21827B #822159 #824B21
monochromatic
#08201F #15514D #21827B #2DB3A9 #4CD2C8
Accessibility & contrast
On white
4.62
#21827B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.54
#21827B on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #21827B
4.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21827B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##21827B | 1.00 | 4.62 | 4.54 | 4.62 |
| #FFFFFF | 4.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.54 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7B7B7B
Deuteranopia (green-blind)
#6D717C
Tritanopia (blue-blind)
#008580
Achromatopsia (no color)
#757575
Design tokens & code
CSS
--color: #21827b; /* rgb */ color: rgb(33, 130, 123); /* oklch */ color: oklch(55.1% 0.087 187.8);
Tailwind
colors: {
custom: {
50: '#6da7a1',
500: '#21827b',
950: '#000000',
},
}SCSS
$custom: #21827b; $custom-light: #6da7a1; $custom-dark: #000000;
JSON
{
"hex": "#21827b",
"rgb": {
"r": 33,
"g": 130,
"b": 123
},
"hsl": {
"h": 175.67,
"s": 59.509,
"l": 31.961
},
"oklch": {
"l": 0.55106,
"c": 0.0867,
"h": 187.8
},
"luminance": 0.17719
}Semantic roles & 50–950 ramp
primary
#21827B
secondary
#B44A52
accent
#4550E3
background
#F7FAF9
surface
#EDF4F2
border
#C8CECC
text
#080F0E
muted
#7B7F7E