#237C81#237C81

#237C81 is a mid, moderate teal. Relative luminance 0.164; OKLCH L 53.8% C 0.081 H 200.6°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#237C81
RGB	rgb(35, 124, 129)
HSL	hsl(183, 57%, 32%)
HSV	hsv(183, 73%, 51%)
CMYK	cmyk(72.9%, 3.9%, 0%, 49.4%)
CIE-LAB	lab(47.44, -23.58, -10.24)
CIE-LCH	lch(47.44, 25.71, 203.48°)
OKLab	oklab(53.79% -0.0758 -0.0284)
OKLCH	oklch(53.79% 0.081 200.6)
XYZ	xyz(11.8615, 16.3562, 23.2965)
Luminance	0.1636 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237C81 #812823

analogous

#238157 #237C81 #234D81

triadic

#237C81 #81237C #7C8123

tetradic

#237C81 #572381 #812823 #4D8123

square

#237C81 #572381 #812823 #4D8123

split-complementary

#237C81 #81234D #815723

monochromatic

#091F21 #164E51 #237C81 #30AAB1 #4FC8CF

Accessibility & contrast

On white

4.92

#237C81 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#237C81 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237C81

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237C81	#FFFFFF	#000000	##FFFFFF
##237C81	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#727681

Deuteranopia (green-blind)

#656C81

Tritanopia (blue-blind)

#00817D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #237c81;
/* rgb */ color: rgb(35, 124, 129);
/* oklch */ color: oklch(53.8% 0.081 200.6);

Tailwind

colors: {
  custom: {
    50: '#6da2a5',
    500: '#237c81',
    950: '#000000',
  },
}

SCSS

$custom: #237c81;
$custom-light: #6da2a5;
$custom-dark: #000000;

JSON

{
  "hex": "#237c81",
  "rgb": {
    "r": 35,
    "g": 124,
    "b": 129
  },
  "hsl": {
    "h": 183.191,
    "s": 57.317,
    "l": 32.157
  },
  "oklch": {
    "l": 0.53793,
    "c": 0.08094,
    "h": 200.6
  },
  "luminance": 0.16358
}

Semantic roles & 50–950 ramp

primary

#237C81

secondary

#B3524D

accent

#4F47E1

background

#F7FAFA

surface

#EDF3F4

border

#C8CDCE

text

#080F0F

muted

#7B7F7F

Preview Lab

Preview with #237C81

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

Preview Lab → · Contrast checker → · Palette generator →