#255B4B#255B4B
#255B4B is a dark, moderate teal. Relative luminance 0.084; OKLCH L 43.0% C 0.064 H 171.1°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).
Color values
| HEX | #255B4B |
|---|---|
| RGB | rgb(37, 91, 75) |
| HSL | hsl(162, 42%, 25%) |
| HSV | hsv(162, 59%, 36%) |
| CMYK | cmyk(59.3%, 0%, 17.6%, 64.3%) |
| CIE-LAB | lab(34.77, -22.28, 3.87) |
| CIE-LCH | lch(34.77, 22.61, 170.14°) |
| OKLab | oklab(42.97% -0.0629 0.0099) |
| OKLCH | oklch(42.97% 0.064 171.1) |
| XYZ | xyz(5.7734, 8.3829, 7.9691) |
| Luminance | 0.0838 (WCAG relative) |
| Temperature | neutral |
| Family | teal |
Closest named colors
Dark Green Blue
#1F6357
ΔE00 3.55
Dark Blue Green
#005249
ΔE00 4.83
Dark Turquoise
#045C5A
ΔE00 6.69
Hunter Green
#355E3B
ΔE00 7.48
Spruce
#0A5F38
ΔE00 7.97
Pine
#2B5D34
ΔE00 8.66
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#255B4B #5B2535
analogous
#255B30 #255B4B #25505B
triadic
#255B4B #4B255B #5B4B25
tetradic
#255B4B #30255B #5B2535 #505B25
square
#255B4B #30255B #5B2535 #505B25
split-complementary
#255B4B #5B2550 #5B3025
monochromatic
#091612 #132F27 #255B4B #37876F #48B293
Accessibility & contrast
On white
7.85
#255B4B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.68
#255B4B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #255B4B
7.85:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##255B4B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##255B4B | 1.00 | 7.85 | 2.68 | 7.85 |
| #FFFFFF | 7.85 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.68 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.85 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#58554A
Deuteranopia (green-blind)
#504F4C
Tritanopia (blue-blind)
#095C56
Achromatopsia (no color)
#525252
Design tokens & code
CSS
--color: #255b4b; /* rgb */ color: rgb(37, 91, 75); /* oklch */ color: oklch(43.0% 0.064 171.1);
Tailwind
colors: {
custom: {
50: '#658a7d',
500: '#255b4b',
950: '#000000',
},
}SCSS
$custom: #255b4b; $custom-light: #658a7d; $custom-dark: #000000;
JSON
{
"hex": "#255b4b",
"rgb": {
"r": 37,
"g": 91,
"b": 75
},
"hsl": {
"h": 162.222,
"s": 42.188,
"l": 25.098
},
"oklch": {
"l": 0.42966,
"c": 0.06364,
"h": 171.1
},
"luminance": 0.08383
}Semantic roles & 50–950 ramp
primary
#255B4B
secondary
#8E4D61
accent
#567BD2
background
#F6F8F7
surface
#EBF0EE
border
#C6CBC9
text
#060B09
muted
#7A7C7B