#255A63#255A63

#255A63 is a dark, muted teal. Relative luminance 0.086; OKLCH L 43.6% C 0.058 H 210.3°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#255A63
RGB	rgb(37, 90, 99)
HSL	hsl(189, 46%, 27%)
HSV	hsv(189, 63%, 39%)
CMYK	cmyk(62.6%, 9.1%, 0%, 61.2%)
CIE-LAB	lab(35.21, -14.51, -10.46)
CIE-LCH	lch(35.21, 17.89, 215.79°)
OKLab	oklab(43.59% -0.0497 -0.029)
OKLCH	oklch(43.59% 0.058 210.3)
XYZ	xyz(6.6703, 8.6058, 13.1115)
Luminance	0.0861 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255A63 #632E25

analogous

#25634D #255A63 #253B63

triadic

#255A63 #63255A #5A6325

tetradic

#255A63 #4D2563 #632E25 #3B6325

square

#255A63 #4D2563 #632E25 #3B6325

split-complementary

#255A63 #63253B #634D25

monochromatic

#081416 #143236 #255A63 #368390 #48AABB

Accessibility & contrast

On white

7.72

#255A63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#255A63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255A63

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255A63	#FFFFFF	#000000	##FFFFFF
##255A63	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#525764

Deuteranopia (green-blind)

#495063

Tritanopia (blue-blind)

#005E5D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #255a63;
/* rgb */ color: rgb(37, 90, 99);
/* oklch */ color: oklch(43.6% 0.058 210.3);

Tailwind

colors: {
  custom: {
    50: '#67888f',
    500: '#255a63',
    950: '#000000',
  },
}

SCSS

$custom: #255a63;
$custom-light: #67888f;
$custom-dark: #000000;

JSON

{
  "hex": "#255a63",
  "rgb": {
    "r": 37,
    "g": 90,
    "b": 99
  },
  "hsl": {
    "h": 188.71,
    "s": 45.588,
    "l": 26.667
  },
  "oklch": {
    "l": 0.43587,
    "c": 0.05752,
    "h": 210.3
  },
  "luminance": 0.08606
}

Semantic roles & 50–950 ramp

primary

#255A63

secondary

#96584E

accent

#6653D5

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#060B0C

muted

#7A7C7D

Preview Lab

Preview with #255A63

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

Preview Lab → · Contrast checker → · Palette generator →