#255B4D#255B4D

#255B4D is a dark, moderate teal. Relative luminance 0.084; OKLCH L 43.0% C 0.062 H 173.7°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#255B4D
RGB	rgb(37, 91, 77)
HSL	hsl(164, 42%, 25%)
HSV	hsv(164, 59%, 36%)
CMYK	cmyk(59.3%, 0%, 15.4%, 64.3%)
CIE-LAB	lab(34.82, -21.74, 2.71)
CIE-LCH	lch(34.82, 21.90, 172.90°)
OKLab	oklab(43.03% -0.0618 0.0068)
OKLCH	oklch(43.03% 0.062 173.7)
XYZ	xyz(5.8430, 8.4108, 8.3353)
Luminance	0.0841 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255B4D #5B2533

analogous

#255B32 #255B4D #254E5B

triadic

#255B4D #4D255B #5B4D25

tetradic

#255B4D #32255B #5B2533 #4E5B25

square

#255B4D #32255B #5B2533 #4E5B25

split-complementary

#255B4D #5B254E #5B3225

monochromatic

#091612 #132F28 #255B4D #378772 #48B297

Accessibility & contrast

On white

7.83

#255B4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#255B4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255B4D

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255B4D	#FFFFFF	#000000	##FFFFFF
##255B4D	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58554C

Deuteranopia (green-blind)

#504F4E

Tritanopia (blue-blind)

#065C57

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #255b4d;
/* rgb */ color: rgb(37, 91, 77);
/* oklch */ color: oklch(43.0% 0.062 173.7);

Tailwind

colors: {
  custom: {
    50: '#658a7e',
    500: '#255b4d',
    950: '#000000',
  },
}

SCSS

$custom: #255b4d;
$custom-light: #658a7e;
$custom-dark: #000000;

JSON

{
  "hex": "#255b4d",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 77
  },
  "hsl": {
    "h": 164.444,
    "s": 42.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.4303,
    "c": 0.0622,
    "h": 173.7
  },
  "luminance": 0.08411
}

Semantic roles & 50–950 ramp

primary

#255B4D

secondary

#8E4D5E

accent

#5676D2

background

#F6F8F7

surface

#EBF0EE

border

#C6CBC9

text

#060B0A

muted

#7A7C7C

Preview Lab

Preview with #255B4D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →