#237B81#237B81

#237B81 is a mid, moderate teal. Relative luminance 0.161; OKLCH L 53.5% C 0.080 H 201.7°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#237B81
RGB	rgb(35, 123, 129)
HSL	hsl(184, 57%, 32%)
HSV	hsv(184, 73%, 51%)
CMYK	cmyk(72.9%, 4.7%, 0%, 49.4%)
CIE-LAB	lab(47.11, -23.06, -10.73)
CIE-LCH	lch(47.11, 25.43, 204.96°)
OKLab	oklab(53.53% -0.0747 -0.0298)
OKLCH	oklch(53.53% 0.08 201.7)
XYZ	xyz(11.7368, 16.1068, 23.2550)
Luminance	0.1611 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237B81 #812923

analogous

#238158 #237B81 #234C81

triadic

#237B81 #81237B #7B8123

tetradic

#237B81 #582381 #812923 #4C8123

square

#237B81 #582381 #812923 #4C8123

split-complementary

#237B81 #81234C #815823

monochromatic

#091F21 #164D51 #237B81 #30A9B1 #4FC7CF

Accessibility & contrast

On white

4.97

#237B81 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#237B81 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237B81

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237B81	#FFFFFF	#000000	##FFFFFF
##237B81	1.00	4.97	4.22	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#717581

Deuteranopia (green-blind)

#646B81

Tritanopia (blue-blind)

#00807D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #237b81;
/* rgb */ color: rgb(35, 123, 129);
/* oklch */ color: oklch(53.5% 0.080 201.7);

Tailwind

colors: {
  custom: {
    50: '#6da1a5',
    500: '#237b81',
    950: '#000000',
  },
}

SCSS

$custom: #237b81;
$custom-light: #6da1a5;
$custom-dark: #000000;

JSON

{
  "hex": "#237b81",
  "rgb": {
    "r": 35,
    "g": 123,
    "b": 129
  },
  "hsl": {
    "h": 183.83,
    "s": 57.317,
    "l": 32.157
  },
  "oklch": {
    "l": 0.53531,
    "c": 0.08043,
    "h": 201.7
  },
  "luminance": 0.16108
}

Semantic roles & 50–950 ramp

primary

#237B81

secondary

#B3534D

accent

#5147E1

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080F0F

muted

#7B7E7F

Preview Lab

Preview with #237B81

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

Preview Lab → · Contrast checker → · Palette generator →