#285D8B#285D8B

#285D8B is a mid, moderate cyan. Relative luminance 0.101; OKLCH L 46.5% C 0.094 H 247.7°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX#285D8B
RGBrgb(40, 93, 139)
HSLhsl(208, 55%, 35%)
HSVhsv(208, 71%, 55%)
CMYKcmyk(71.2%, 33.1%, 0%, 45.5%)
CIE-LABlab(38.10, -1.56, -30.62)
CIE-LCHlch(38.10, 30.66, 267.08°)
OKLaboklab(46.51% -0.0356 -0.0867)
OKLCHoklch(46.51% 0.094 247.7)
XYZxyz(9.4479, 10.1429, 25.8809)
Luminance0.1014 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#285D8B #8B5628
analogous
#288B87 #285D8B #282B8B
triadic
#285D8B #8B285D #5D8B28
tetradic
#285D8B #87288B #8B5628 #2B8B28
square
#285D8B #87288B #8B5628 #2B8B28
split-complementary
#285D8B #8B282B #8B8728
monochromatic
#0D1D2C #1A3D5B #285D8B #367DBB #5D9BD0

Accessibility & contrast

On white

6.93
#285D8B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.03
#285D8B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285D8B
6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##285D8B#FFFFFF#000000##FFFFFF
##285D8B1.006.933.036.93
#FFFFFF6.931.0021.001.00
#0000003.0321.001.0021.00
##FFFFFF6.931.0021.001.00

Color blindness preview

Protanopia (red-blind)
#485F8D
Deuteranopia (green-blind)
#3B558A
Tritanopia (blue-blind)
#00686D
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #285d8b;
/* rgb */ color: rgb(40, 93, 139);
/* oklch */ color: oklch(46.5% 0.094 247.7);
Tailwind
colors: {
  custom: {
    50: '#6e8aad',
    500: '#285d8b',
    950: '#000000',
  },
}
SCSS
$custom: #285d8b;
$custom-light: #6e8aad;
$custom-dark: #000000;
JSON
{
  "hex": "#285d8b",
  "rgb": {
    "r": 40,
    "g": 93,
    "b": 139
  },
  "hsl": {
    "h": 207.879,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.46505,
    "c": 0.09376,
    "h": 247.7
  },
  "luminance": 0.10144
}

Semantic roles & 50–950 ramp

primary
#285D8B
secondary
#B68459
accent
#8F49DF
background
#F7F8FA
surface
#EDF0F4
border
#C8CBCE
text
#080B10
muted
#7B7C7F

Preview Lab

Preview with #285D8B

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

Preview Lab → · Contrast checker → · Palette generator →

#285D8B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva