#237CD4#237CD4

#237CD4 is a mid, vivid cyan. Relative luminance 0.195; OKLCH L 58.1% C 0.157 H 252.5°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX#237CD4
RGBrgb(35, 124, 212)
HSLhsl(210, 72%, 48%)
HSVhsv(210, 83%, 83%)
CMYKcmyk(83.5%, 41.5%, 0%, 16.9%)
CIE-LABlab(51.29, 6.24, -52.38)
CIE-LCHlch(51.29, 52.75, 276.79°)
OKLaboklab(58.12% -0.0474 -0.15)
OKLCHoklch(58.12% 0.157 252.5)
XYZxyz(19.7800, 19.5236, 65.0005)
Luminance0.1953 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#237CD4 #D47B23
analogous
#23D4D3 #237CD4 #2323D4
triadic
#237CD4 #D4237C #7CD423
tetradic
#237CD4 #D323D4 #D47B23 #23D423
square
#237CD4 #D323D4 #D47B23 #23D423
split-complementary
#237CD4 #D42323 #D4D323
monochromatic
#123F6B #1A5D9F #237CD4 #529BE2 #86B9EB

Accessibility & contrast

On white

4.28
#237CD4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.91
#237CD4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #237CD4
4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##237CD4#FFFFFF#000000##000000
##237CD41.004.284.914.91
#FFFFFF4.281.0021.0021.00
#0000004.9121.001.001.00
##0000004.9121.001.001.00

Color blindness preview

Protanopia (red-blind)
#5083D7
Deuteranopia (green-blind)
#3073D2
Tritanopia (blue-blind)
#00919D
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #237cd4;
/* rgb */ color: rgb(35, 124, 212);
/* oklch */ color: oklch(58.1% 0.157 252.5);
Tailwind
colors: {
  custom: {
    50: '#7ca1e2',
    500: '#237cd4',
    950: '#000000',
  },
}
SCSS
$custom: #237cd4;
$custom-light: #7ca1e2;
$custom-dark: #000000;
JSON
{
  "hex": "#237cd4",
  "rgb": {
    "r": 35,
    "g": 124,
    "b": 212
  },
  "hsl": {
    "h": 209.831,
    "s": 71.66,
    "l": 48.431
  },
  "oklch": {
    "l": 0.58119,
    "c": 0.15732,
    "h": 252.5
  },
  "luminance": 0.19526
}

Semantic roles & 50–950 ramp

primary
#237CD4
secondary
#D4A97E
accent
#9339EE
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0B0E15
muted
#7C7E83

Preview Lab

Preview with #237CD4

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

Preview Lab → · Contrast checker → · Palette generator →

#237CD4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva