#237B8B#237B8B

#237B8B is a mid, moderate teal. Relative luminance 0.164; OKLCH L 53.9% C 0.083 H 212.5°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#237B8B
RGB	rgb(35, 123, 139)
HSL	hsl(189, 60%, 34%)
HSV	hsv(189, 75%, 55%)
CMYK	cmyk(74.8%, 11.5%, 0%, 45.5%)
CIE-LAB	lab(47.48, -19.78, -16.10)
CIE-LCH	lch(47.48, 25.50, 219.13°)
OKLab	oklab(53.94% -0.0703 -0.0448)
OKLCH	oklch(53.94% 0.083 212.5)
XYZ	xyz(12.4343, 16.3859, 26.9285)
Luminance	0.1639 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237B8B #8B3323

analogous

#238B67 #237B8B #23478B

triadic

#237B8B #8B237B #7B8B23

tetradic

#237B8B #67238B #8B3323 #478B23

square

#237B8B #67238B #8B3323 #478B23

split-complementary

#237B8B #8B2347 #8B6723

monochromatic

#0A2429 #17505A #237B8B #2FA6BC #54C0D4

Accessibility & contrast

On white

4.91

#237B8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#237B8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237B8B

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237B8B	#FFFFFF	#000000	##FFFFFF
##237B8B	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F778C

Deuteranopia (green-blind)

#606C8B

Tritanopia (blue-blind)

#008180

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #237b8b;
/* rgb */ color: rgb(35, 123, 139);
/* oklch */ color: oklch(53.9% 0.083 212.5);

Tailwind

colors: {
  custom: {
    50: '#6fa1ac',
    500: '#237b8b',
    950: '#000000',
  },
}

SCSS

$custom: #237b8b;
$custom-light: #6fa1ac;
$custom-dark: #000000;

JSON

{
  "hex": "#237b8b",
  "rgb": {
    "r": 35,
    "g": 123,
    "b": 139
  },
  "hsl": {
    "h": 189.231,
    "s": 59.77,
    "l": 34.118
  },
  "oklch": {
    "l": 0.53943,
    "c": 0.08334,
    "h": 212.5
  },
  "luminance": 0.16387
}

Semantic roles & 50–950 ramp

primary

#237B8B

secondary

#B86252

accent

#5D45E3

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080F10

muted

#7B7E7F

Preview Lab

Preview with #237B8B

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

Preview Lab → · Contrast checker → · Palette generator →