#4E90B5#4E90B5

#4E90B5 is a light, moderate cyan. Relative luminance 0.249; OKLCH L 62.5% C 0.088 H 235.1°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).

Color values

HEX#4E90B5
RGBrgb(78, 144, 181)
HSLhsl(202, 41%, 51%)
HSVhsv(202, 57%, 71%)
CMYKcmyk(56.9%, 20.4%, 0%, 29%)
CIE-LABlab(56.98, -10.13, -25.73)
CIE-LCHlch(56.98, 27.66, 248.50°)
OKLaboklab(62.48% -0.0501 -0.0718)
OKLCHoklch(62.48% 0.088 235.1)
XYZxyz(21.4525, 24.9005, 47.3829)
Luminance0.2490 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4E90B5 #B5734E
analogous
#4EB5A6 #4E90B5 #4E5CB5
triadic
#4E90B5 #B54E90 #90B54E
tetradic
#4E90B5 #A64EB5 #B5734E #5CB54E
square
#4E90B5 #A64EB5 #B5734E #5CB54E
split-complementary
#4E90B5 #B54E5C #B5A64E
monochromatic
#284C60 #3A6E8B #4E90B5 #79ABC7 #A4C6D9

Accessibility & contrast

On white

3.51
#4E90B5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.98
#4E90B5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E90B5
5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4E90B5#FFFFFF#000000##000000
##4E90B51.003.515.985.98
#FFFFFF3.511.0021.0021.00
#0000005.9821.001.001.00
##0000005.9821.001.001.00

Color blindness preview

Protanopia (red-blind)
#7F8FB7
Deuteranopia (green-blind)
#7084B4
Tritanopia (blue-blind)
#009A9C
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #4e90b5;
/* rgb */ color: rgb(78, 144, 181);
/* oklch */ color: oklch(62.5% 0.088 235.1);
Tailwind
colors: {
  custom: {
    50: '#88b0cb',
    500: '#4e90b5',
    950: '#000000',
  },
}
SCSS
$custom: #4e90b5;
$custom-light: #88b0cb;
$custom-dark: #000000;
JSON
{
  "hex": "#4e90b5",
  "rgb": {
    "r": 78,
    "g": 144,
    "b": 181
  },
  "hsl": {
    "h": 201.553,
    "s": 41.036,
    "l": 50.784
  },
  "oklch": {
    "l": 0.62476,
    "c": 0.08758,
    "h": 235.1
  },
  "luminance": 0.24902
}

Semantic roles & 50–950 ramp

primary
#4E90B5
secondary
#C6A999
accent
#8357D1
background
#F8FAFC
surface
#F0F4F8
border
#CBCED1
text
#0C1013
muted
#7D7F82

Preview Lab

Preview with #4E90B5

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

Preview Lab → · Contrast checker → · Palette generator →

#4E90B5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva