#4C90C8#4C90C8

#4C90C8 is a light, moderate cyan. Relative luminance 0.257; OKLCH L 63.3% C 0.109 H 245.6°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX#4C90C8
RGBrgb(76, 144, 200)
HSLhsl(207, 53%, 54%)
HSVhsv(207, 62%, 78%)
CMYKcmyk(62%, 28%, 0%, 21.6%)
CIE-LABlab(57.70, -4.43, -35.38)
CIE-LCHlch(57.70, 35.65, 262.87°)
OKLaboklab(63.3% -0.0452 -0.0996)
OKLCHoklch(63.3% 0.109 245.6)
XYZxyz(23.3752, 25.6509, 58.3516)
Luminance0.2565 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4C90C8 #C8844C
analogous
#4CC8C2 #4C90C8 #4C52C8
triadic
#4C90C8 #C84C90 #90C84C
tetradic
#4C90C8 #C24CC8 #C8844C #52C84C
square
#4C90C8 #C24CC8 #C8844C #52C84C
split-complementary
#4C90C8 #C84C52 #C8C24C
monochromatic
#245175 #3271A4 #4C90C8 #7BADD6 #AACAE5

Accessibility & contrast

On white

3.43
#4C90C8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.13
#4C90C8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C90C8
6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4C90C8#FFFFFF#000000##000000
##4C90C81.003.436.136.13
#FFFFFF3.431.0021.0021.00
#0000006.1321.001.001.00
##0000006.1321.001.001.00

Color blindness preview

Protanopia (red-blind)
#7891CB
Deuteranopia (green-blind)
#6785C7
Tritanopia (blue-blind)
#009DA3
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #4c90c8;
/* rgb */ color: rgb(76, 144, 200);
/* oklch */ color: oklch(63.3% 0.109 245.6);
Tailwind
colors: {
  custom: {
    50: '#89b0d9',
    500: '#4c90c8',
    950: '#000000',
  },
}
SCSS
$custom: #4c90c8;
$custom-light: #89b0d9;
$custom-dark: #000000;
JSON
{
  "hex": "#4c90c8",
  "rgb": {
    "r": 76,
    "g": 144,
    "b": 200
  },
  "hsl": {
    "h": 207.097,
    "s": 52.991,
    "l": 54.118
  },
  "oklch": {
    "l": 0.63295,
    "c": 0.10939,
    "h": 245.6
  },
  "luminance": 0.25653
}

Semantic roles & 50–950 ramp

primary
#4C90C8
secondary
#D2B59E
accent
#8D4BDC
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0C1014
muted
#7D7F83

Preview Lab

Preview with #4C90C8

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

Preview Lab → · Contrast checker → · Palette generator →

#4C90C8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva