#237D8C#237D8C

#237D8C is a mid, moderate teal. Relative luminance 0.169; OKLCH L 54.5% C 0.084 H 211.2°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#237D8C
RGB	rgb(35, 125, 140)
HSL	hsl(189, 60%, 34%)
HSV	hsv(189, 75%, 55%)
CMYK	cmyk(75%, 10.7%, 0%, 45.1%)
CIE-LAB	lab(48.15, -20.52, -15.65)
CIE-LCH	lch(48.15, 25.81, 217.34°)
OKLab	oklab(54.5% -0.0719 -0.0436)
OKLCH	oklch(54.5% 0.084 211.2)
XYZ	xyz(12.7583, 16.9165, 27.3987)
Luminance	0.1692 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237D8C #8C3223

analogous

#238C67 #237D8C #23498C

triadic

#237D8C #8C237D #7D8C23

tetradic

#237D8C #67238C #8C3223 #498C23

square

#237D8C #67238C #8C3223 #498C23

split-complementary

#237D8C #8C2349 #8C6723

monochromatic

#0B262A #17515B #237D8C #2FA9BD #55C2D4

Accessibility & contrast

On white

4.79

#237D8C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#237D8C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237D8C

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237D8C	#FFFFFF	#000000	##FFFFFF
##237D8C	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#71788D

Deuteranopia (green-blind)

#626E8C

Tritanopia (blue-blind)

#008382

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #237d8c;
/* rgb */ color: rgb(35, 125, 140);
/* oklch */ color: oklch(54.5% 0.084 211.2);

Tailwind

colors: {
  custom: {
    50: '#6fa3ad',
    500: '#237d8c',
    950: '#000000',
  },
}

SCSS

$custom: #237d8c;
$custom-light: #6fa3ad;
$custom-dark: #000000;

JSON

{
  "hex": "#237d8c",
  "rgb": {
    "r": 35,
    "g": 125,
    "b": 140
  },
  "hsl": {
    "h": 188.571,
    "s": 60,
    "l": 34.314
  },
  "oklch": {
    "l": 0.54502,
    "c": 0.0841,
    "h": 211.2
  },
  "luminance": 0.16918
}

Semantic roles & 50–950 ramp

primary

#237D8C

secondary

#B86152

accent

#5B45E3

background

#F7FAFA

surface

#EDF3F4

border

#C8CDCE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #237D8C

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

Preview Lab → · Contrast checker → · Palette generator →