#237EAB#237EAB

#237EAB is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.2% C 0.107 H 235.5°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX#237EAB
RGBrgb(35, 126, 171)
HSLhsl(200, 66%, 40%)
HSVhsv(200, 80%, 67%)
CMYKcmyk(79.5%, 26.3%, 0%, 32.9%)
CIE-LABlab(49.76, -10.26, -31.30)
CIE-LCHlch(49.76, 32.94, 251.85°)
OKLaboklab(56.21% -0.0608 -0.0884)
OKLCHoklch(56.21% 0.107 235.5)
XYZxyz(15.5017, 18.2174, 41.2195)
Luminance0.1822 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#237EAB #AB5023
analogous
#23AB94 #237EAB #233AAB
triadic
#237EAB #AB237E #7EAB23
tetradic
#237EAB #9423AB #AB5023 #3AAB23
square
#237EAB #9423AB #AB5023 #3AAB23
split-complementary
#237EAB #AB233A #AB9423
monochromatic
#0E3345 #195978 #237EAB #35A1D6 #68B8E0

Accessibility & contrast

On white

4.52
#237EAB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.64
#237EAB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #237EAB
4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##237EAB#FFFFFF#000000##000000
##237EAB1.004.524.644.64
#FFFFFF4.521.0021.0021.00
#0000004.6421.001.001.00
##0000004.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#687DAD
Deuteranopia (green-blind)
#5671AA
Tritanopia (blue-blind)
#008A8D
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #237eab;
/* rgb */ color: rgb(35, 126, 171);
/* oklch */ color: oklch(56.2% 0.107 235.5);
Tailwind
colors: {
  custom: {
    50: '#74a3c4',
    500: '#237eab',
    950: '#000000',
  },
}
SCSS
$custom: #237eab;
$custom-light: #74a3c4;
$custom-dark: #000000;
JSON
{
  "hex": "#237eab",
  "rgb": {
    "r": 35,
    "g": 126,
    "b": 171
  },
  "hsl": {
    "h": 199.853,
    "s": 66.019,
    "l": 40.392
  },
  "oklch": {
    "l": 0.56214,
    "c": 0.10726,
    "h": 235.5
  },
  "luminance": 0.18219
}

Semantic roles & 50–950 ramp

primary
#237EAB
secondary
#C68464
accent
#773FE9
background
#F7FAFC
surface
#EEF3F8
border
#C9CDD1
text
#0A0F12
muted
#7C7F81

Preview Lab

Preview with #237EAB

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

Preview Lab → · Contrast checker → · Palette generator →

#237EAB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva