#4D90BE#4D90BE

#4D90BE is a light, moderate cyan. Relative luminance 0.252; OKLCH L 62.8% C 0.098 H 240.7°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX#4D90BE
RGBrgb(77, 144, 190)
HSLhsl(204, 47%, 52%)
HSVhsv(204, 59%, 75%)
CMYKcmyk(59.5%, 24.2%, 0%, 25.5%)
CIE-LABlab(57.31, -7.49, -30.34)
CIE-LCHlch(57.31, 31.25, 256.14°)
OKLaboklab(62.85% -0.0477 -0.085)
OKLCHoklch(62.85% 0.098 240.7)
XYZxyz(22.3246, 25.2399, 52.4005)
Luminance0.2524 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4D90BE #BE7B4D
analogous
#4DBEB4 #4D90BE #4D57BE
triadic
#4D90BE #BE4D90 #90BE4D
tetradic
#4D90BE #B44DBE #BE7B4D #57BE4D
square
#4D90BE #B44DBE #BE7B4D #57BE4D
split-complementary
#4D90BE #BE4D57 #BEB44D
monochromatic
#274F6A #377097 #4D90BE #7AACCE #A7C8DF

Accessibility & contrast

On white

3.47
#4D90BE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.05
#4D90BE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D90BE
6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4D90BE#FFFFFF#000000##000000
##4D90BE1.003.476.056.05
#FFFFFF3.471.0021.0021.00
#0000006.0521.001.001.00
##0000006.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#7B90C0
Deuteranopia (green-blind)
#6C85BD
Tritanopia (blue-blind)
#009BA0
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #4d90be;
/* rgb */ color: rgb(77, 144, 190);
/* oklch */ color: oklch(62.8% 0.098 240.7);
Tailwind
colors: {
  custom: {
    50: '#88b0d1',
    500: '#4d90be',
    950: '#000000',
  },
}
SCSS
$custom: #4d90be;
$custom-light: #88b0d1;
$custom-dark: #000000;
JSON
{
  "hex": "#4d90be",
  "rgb": {
    "r": 77,
    "g": 144,
    "b": 190
  },
  "hsl": {
    "h": 204.425,
    "s": 46.502,
    "l": 52.353
  },
  "oklch": {
    "l": 0.62849,
    "c": 0.09752,
    "h": 240.7
  },
  "luminance": 0.25242
}

Semantic roles & 50–950 ramp

primary
#4D90BE
secondary
#CCAF9B
accent
#8852D6
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C1014
muted
#7D7F82

Preview Lab

Preview with #4D90BE

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

Preview Lab → · Contrast checker → · Palette generator →

#4D90BE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva