#237C8F#237C8F

#237C8F is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.4% C 0.085 H 215.4°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#237C8F
RGB	rgb(35, 124, 143)
HSL	hsl(191, 61%, 35%)
HSV	hsv(191, 76%, 56%)
CMYK	cmyk(75.5%, 13.3%, 0%, 43.9%)
CIE-LAB	lab(47.95, -18.98, -17.74)
CIE-LCH	lch(47.95, 25.97, 223.06°)
OKLab	oklab(54.37% -0.0696 -0.0495)
OKLCH	oklch(54.37% 0.085 215.4)
XYZ	xyz(12.8566, 16.7543, 28.5376)
Luminance	0.1676 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237C8F #8F3623

analogous

#238F6C #237C8F #23468F

triadic

#237C8F #8F237C #7C8F23

tetradic

#237C8F #6C238F #8F3623 #468F23

square

#237C8F #6C238F #8F3623 #468F23

split-complementary

#237C8F #8F2346 #8F6C23

monochromatic

#0B272D #17515E #237C8F #2FA7C0 #57BFD6

Accessibility & contrast

On white

4.83

#237C8F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#237C8F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237C8F

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237C8F	#FFFFFF	#000000	##FFFFFF
##237C8F	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7890

Deuteranopia (green-blind)

#606D8F

Tritanopia (blue-blind)

#008382

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #237c8f;
/* rgb */ color: rgb(35, 124, 143);
/* oklch */ color: oklch(54.4% 0.085 215.4);

Tailwind

colors: {
  custom: {
    50: '#6fa2af',
    500: '#237c8f',
    950: '#000000',
  },
}

SCSS

$custom: #237c8f;
$custom-light: #6fa2af;
$custom-dark: #000000;

JSON

{
  "hex": "#237c8f",
  "rgb": {
    "r": 35,
    "g": 124,
    "b": 143
  },
  "hsl": {
    "h": 190.556,
    "s": 60.674,
    "l": 34.902
  },
  "oklch": {
    "l": 0.54374,
    "c": 0.08538,
    "h": 215.4
  },
  "luminance": 0.16756
}

Semantic roles & 50–950 ramp

primary

#237C8F

secondary

#BA6654

accent

#6044E4

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080F10

muted

#7B7E7F

Preview Lab

Preview with #237C8F

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

Preview Lab → · Contrast checker → · Palette generator →