#287DAE#287DAE

#287DAE is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.2% C 0.109 H 238.9°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX#287DAE
RGBrgb(40, 125, 174)
HSLhsl(202, 63%, 42%)
HSVhsv(202, 77%, 68%)
CMYKcmyk(77%, 28.2%, 0%, 31.8%)
CIE-LABlab(49.70, -8.02, -33.12)
CIE-LCHlch(49.70, 34.08, 256.38°)
OKLaboklab(56.25% -0.0565 -0.0936)
OKLCHoklch(56.25% 0.109 238.9)
XYZxyz(15.8457, 18.1725, 42.7087)
Luminance0.1817 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#287DAE #AE5928
analogous
#28AE9C #287DAE #283AAE
triadic
#287DAE #AE287D #7DAE28
tetradic
#287DAE #9C28AE #AE5928 #3AAE28
square
#287DAE #9C28AE #AE5928 #3AAE28
split-complementary
#287DAE #AE283A #AE9C28
monochromatic
#11364A #1D597C #287DAE #409DD3 #72B7DF

Accessibility & contrast

On white

4.53
#287DAE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.63
#287DAE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #287DAE
4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##287DAE#FFFFFF#000000##000000
##287DAE1.004.534.634.63
#FFFFFF4.531.0021.0021.00
#0000004.6321.001.001.00
##0000004.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#667DB0
Deuteranopia (green-blind)
#5471AD
Tritanopia (blue-blind)
#00898E
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #287dae;
/* rgb */ color: rgb(40, 125, 174);
/* oklch */ color: oklch(56.2% 0.109 238.9);
Tailwind
colors: {
  custom: {
    50: '#76a2c6',
    500: '#287dae',
    950: '#000000',
  },
}
SCSS
$custom: #287dae;
$custom-light: #76a2c6;
$custom-dark: #000000;
JSON
{
  "hex": "#287dae",
  "rgb": {
    "r": 40,
    "g": 125,
    "b": 174
  },
  "hsl": {
    "h": 201.94,
    "s": 62.617,
    "l": 41.961
  },
  "oklch": {
    "l": 0.56249,
    "c": 0.10935,
    "h": 238.9
  },
  "luminance": 0.18174
}

Semantic roles & 50–950 ramp

primary
#287DAE
secondary
#C68D6C
accent
#7E42E6
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0F13
muted
#7C7E82

Preview Lab

Preview with #287DAE

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

Preview Lab → · Contrast checker → · Palette generator →

#287DAE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva