#237D8A#237D8A

#237D8A is a mid, moderate teal. Relative luminance 0.169; OKLCH L 54.4% C 0.083 H 209.1°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#237D8A
RGB	rgb(35, 125, 138)
HSL	hsl(188, 60%, 34%)
HSV	hsv(188, 75%, 54%)
CMYK	cmyk(74.6%, 9.4%, 0%, 45.9%)
CIE-LAB	lab(48.08, -21.18, -14.59)
CIE-LCH	lch(48.08, 25.72, 214.56°)
OKLab	oklab(54.42% -0.0728 -0.0406)
OKLCH	oklch(54.42% 0.083 209.1)
XYZ	xyz(12.6122, 16.8580, 26.6290)
Luminance	0.1686 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237D8A #8A3023

analogous

#238A64 #237D8A #234A8A

triadic

#237D8A #8A237D #7D8A23

tetradic

#237D8A #64238A #8A3023 #4A8A23

square

#237D8A #64238A #8A3023 #4A8A23

split-complementary

#237D8A #8A234A #8A6423

monochromatic

#0A2528 #175159 #237D8A #2FA9BB #54C3D4

Accessibility & contrast

On white

4.80

#237D8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#237D8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237D8A

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237D8A	#FFFFFF	#000000	##FFFFFF
##237D8A	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#71788B

Deuteranopia (green-blind)

#636E8A

Tritanopia (blue-blind)

#008381

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #237d8a;
/* rgb */ color: rgb(35, 125, 138);
/* oklch */ color: oklch(54.4% 0.083 209.1);

Tailwind

colors: {
  custom: {
    50: '#6fa3ac',
    500: '#237d8a',
    950: '#000000',
  },
}

SCSS

$custom: #237d8a;
$custom-light: #6fa3ac;
$custom-dark: #000000;

JSON

{
  "hex": "#237d8a",
  "rgb": {
    "r": 35,
    "g": 125,
    "b": 138
  },
  "hsl": {
    "h": 187.573,
    "s": 59.538,
    "l": 33.922
  },
  "oklch": {
    "l": 0.54418,
    "c": 0.08335,
    "h": 209.1
  },
  "luminance": 0.1686
}

Semantic roles & 50–950 ramp

primary

#237D8A

secondary

#B75E51

accent

#5945E3

background

#F7FAFA

surface

#EDF3F4

border

#C8CDCE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #237D8A

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

Preview Lab → · Contrast checker → · Palette generator →