#237E8A#237E8A

#237E8A is a mid, moderate teal. Relative luminance 0.171; OKLCH L 54.7% C 0.084 H 208.0°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#237E8A
RGB	rgb(35, 126, 138)
HSL	hsl(187, 60%, 34%)
HSV	hsv(187, 75%, 54%)
CMYK	cmyk(74.6%, 8.7%, 0%, 45.9%)
CIE-LAB	lab(48.40, -21.71, -14.10)
CIE-LCH	lch(48.40, 25.89, 213.01°)
OKLab	oklab(54.68% -0.0739 -0.0392)
OKLCH	oklch(54.68% 0.084 208)
XYZ	xyz(12.7394, 17.1125, 26.6715)
Luminance	0.1711 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237E8A #8A2F23

analogous

#238A63 #237E8A #234B8A

triadic

#237E8A #8A237E #7E8A23

tetradic

#237E8A #63238A #8A2F23 #4B8A23

square

#237E8A #63238A #8A2F23 #4B8A23

split-complementary

#237E8A #8A234B #8A6323

monochromatic

#0A2528 #175159 #237E8A #2FABBB #54C5D4

Accessibility & contrast

On white

4.75

#237E8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#237E8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237E8A

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237E8A	#FFFFFF	#000000	##FFFFFF
##237E8A	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)

#73798B

Deuteranopia (green-blind)

#646E8A

Tritanopia (blue-blind)

#008482

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #237e8a;
/* rgb */ color: rgb(35, 126, 138);
/* oklch */ color: oklch(54.7% 0.084 208.0);

Tailwind

colors: {
  custom: {
    50: '#6fa3ac',
    500: '#237e8a',
    950: '#000000',
  },
}

SCSS

$custom: #237e8a;
$custom-light: #6fa3ac;
$custom-dark: #000000;

JSON

{
  "hex": "#237e8a",
  "rgb": {
    "r": 35,
    "g": 126,
    "b": 138
  },
  "hsl": {
    "h": 186.99,
    "s": 59.538,
    "l": 33.922
  },
  "oklch": {
    "l": 0.54677,
    "c": 0.08362,
    "h": 208
  },
  "luminance": 0.17114
}

Semantic roles & 50–950 ramp

primary

#237E8A

secondary

#B75D51

accent

#5745E3

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #237E8A

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

Preview Lab → · Contrast checker → · Palette generator →