#237F81#237F81

#237F81 is a mid, moderate teal. Relative luminance 0.171; OKLCH L 54.6% C 0.083 H 197.2°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#237F81
RGB	rgb(35, 127, 129)
HSL	hsl(181, 57%, 32%)
HSV	hsv(181, 73%, 51%)
CMYK	cmyk(72.9%, 1.6%, 0%, 49.4%)
CIE-LAB	lab(48.41, -25.11, -8.79)
CIE-LCH	lch(48.41, 26.61, 199.28°)
OKLab	oklab(54.58% -0.079 -0.0244)
OKLCH	oklch(54.58% 0.083 197.2)
XYZ	xyz(12.2432, 17.1196, 23.4238)
Luminance	0.1712 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237F81 #812523

analogous

#238154 #237F81 #235081

triadic

#237F81 #81237F #7F8123

tetradic

#237F81 #542381 #812523 #508123

square

#237F81 #542381 #812523 #508123

split-complementary

#237F81 #812350 #815423

monochromatic

#092021 #165051 #237F81 #30AEB1 #4FCDCF

Accessibility & contrast

On white

4.75

#237F81 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#237F81 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237F81

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237F81	#FFFFFF	#000000	##FFFFFF
##237F81	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#767981

Deuteranopia (green-blind)

#686F82

Tritanopia (blue-blind)

#00837F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #237f81;
/* rgb */ color: rgb(35, 127, 129);
/* oklch */ color: oklch(54.6% 0.083 197.2);

Tailwind

colors: {
  custom: {
    50: '#6ea4a5',
    500: '#237f81',
    950: '#000000',
  },
}

SCSS

$custom: #237f81;
$custom-light: #6ea4a5;
$custom-dark: #000000;

JSON

{
  "hex": "#237f81",
  "rgb": {
    "r": 35,
    "g": 127,
    "b": 129
  },
  "hsl": {
    "h": 181.277,
    "s": 57.317,
    "l": 32.157
  },
  "oklch": {
    "l": 0.5458,
    "c": 0.08268,
    "h": 197.2
  },
  "luminance": 0.17121
}

Semantic roles & 50–950 ramp

primary

#237F81

secondary

#B34F4D

accent

#4A47E1

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F0F

muted

#7B7F7F

Preview Lab

Preview with #237F81

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

Preview Lab → · Contrast checker → · Palette generator →