#4E90B1#4E90B1

#4E90B1 is a light, moderate cyan. Relative luminance 0.247; OKLCH L 62.3% C 0.084 H 232.0°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).

Color values

HEX#4E90B1
RGBrgb(78, 144, 177)
HSLhsl(200, 39%, 50%)
HSVhsv(200, 56%, 69%)
CMYKcmyk(55.9%, 18.6%, 0%, 30.6%)
CIE-LABlab(56.82, -11.38, -23.70)
CIE-LCHlch(56.82, 26.29, 244.36°)
OKLaboklab(62.3% -0.0516 -0.066)
OKLCHoklch(62.3% 0.084 232)
XYZxyz(21.0480, 24.7387, 45.2523)
Luminance0.2474 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4E90B1 #B16F4E
analogous
#4EB1A1 #4E90B1 #4E5EB1
triadic
#4E90B1 #B14E90 #90B14E
tetradic
#4E90B1 #A14EB1 #B16F4E #5EB14E
square
#4E90B1 #A14EB1 #B16F4E #5EB14E
split-complementary
#4E90B1 #B14E5E #B1A14E
monochromatic
#294B5C #3B6D87 #4E90B1 #78ABC4 #A3C5D6

Accessibility & contrast

On white

3.53
#4E90B1 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.95
#4E90B1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E90B1
5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4E90B1#FFFFFF#000000##000000
##4E90B11.003.535.955.95
#FFFFFF3.531.0021.0021.00
#0000005.9521.001.001.00
##0000005.9521.001.001.00

Color blindness preview

Protanopia (red-blind)
#808EB3
Deuteranopia (green-blind)
#7284B1
Tritanopia (blue-blind)
#00999B
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #4e90b1;
/* rgb */ color: rgb(78, 144, 177);
/* oklch */ color: oklch(62.3% 0.084 232.0);
Tailwind
colors: {
  custom: {
    50: '#87b0c8',
    500: '#4e90b1',
    950: '#000000',
  },
}
SCSS
$custom: #4e90b1;
$custom-light: #87b0c8;
$custom-dark: #000000;
JSON
{
  "hex": "#4e90b1",
  "rgb": {
    "r": 78,
    "g": 144,
    "b": 177
  },
  "hsl": {
    "h": 200,
    "s": 38.824,
    "l": 50
  },
  "oklch": {
    "l": 0.62298,
    "c": 0.08378,
    "h": 232
  },
  "luminance": 0.24741
}

Semantic roles & 50–950 ramp

primary
#4E90B1
secondary
#C4A697
accent
#8059CF
background
#F8FAFC
surface
#F0F4F8
border
#CBCED1
text
#0C1013
muted
#7D7F82

Preview Lab

Preview with #4E90B1

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

Preview Lab → · Contrast checker → · Palette generator →

#4E90B1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva