#238FBC#238FBC

#238FBC is a mid, moderate cyan. Relative luminance 0.236; OKLCH L 61.2% C 0.114 H 231.7°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX#238FBC
RGBrgb(35, 143, 188)
HSLhsl(198, 69%, 44%)
HSVhsv(198, 81%, 74%)
CMYKcmyk(81.4%, 23.9%, 0%, 26.3%)
CIE-LABlab(55.72, -13.78, -31.77)
CIE-LCHlch(55.72, 34.63, 246.56°)
OKLaboklab(61.22% -0.0708 -0.0895)
OKLCHoklch(61.22% 0.114 231.7)
XYZxyz(19.5890, 23.6306, 51.0959)
Luminance0.2363 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#238FBC #BC5023
analogous
#23BC9C #238FBC #2342BC
triadic
#238FBC #BC238F #8FBC23
tetradic
#238FBC #9C23BC #BC5023 #42BC23
square
#238FBC #9C23BC #BC5023 #42BC23
split-complementary
#238FBC #BC2342 #BC9C23
monochromatic
#104155 #196888 #238FBC #41AEDC #74C4E5

Accessibility & contrast

On white

3.67
#238FBC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.73
#238FBC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #238FBC
5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##238FBC#FFFFFF#000000##000000
##238FBC1.003.675.735.73
#FFFFFF3.671.0021.0021.00
#0000005.7321.001.001.00
##0000005.7321.001.001.00

Color blindness preview

Protanopia (red-blind)
#788DBE
Deuteranopia (green-blind)
#647FBB
Tritanopia (blue-blind)
#009B9E
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #238fbc;
/* rgb */ color: rgb(35, 143, 188);
/* oklch */ color: oklch(61.2% 0.114 231.7);
Tailwind
colors: {
  custom: {
    50: '#78afd0',
    500: '#238fbc',
    950: '#000000',
  },
}
SCSS
$custom: #238fbc;
$custom-light: #78afd0;
$custom-dark: #000000;
JSON
{
  "hex": "#238fbc",
  "rgb": {
    "r": 35,
    "g": 143,
    "b": 188
  },
  "hsl": {
    "h": 197.647,
    "s": 68.61,
    "l": 43.725
  },
  "oklch": {
    "l": 0.61215,
    "c": 0.11418,
    "h": 231.7
  },
  "luminance": 0.23633
}

Semantic roles & 50–950 ramp

primary
#238FBC
secondary
#CC8A6F
accent
#703CEB
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0A1014
muted
#7C7F82

Preview Lab

Preview with #238FBC

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

Preview Lab → · Contrast checker → · Palette generator →

#238FBC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva