#285DA3#285DA3

#285DA3 is a mid, vivid cyan. Relative luminance 0.109; OKLCH L 48.0% C 0.126 H 256.5°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX#285DA3
RGBrgb(40, 93, 163)
HSLhsl(214, 61%, 40%)
HSVhsv(214, 75%, 64%)
CMYKcmyk(75.5%, 42.9%, 0%, 36.1%)
CIE-LABlab(39.45, 7.56, -42.89)
CIE-LCHlch(39.45, 43.55, 279.99°)
OKLaboklab(48% -0.0294 -0.1226)
OKLCHoklch(48% 0.126 256.5)
XYZxyz(11.3979, 10.9229, 36.1509)
Luminance0.1092 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#285DA3 #A36E28
analogous
#289BA3 #285DA3 #3028A3
triadic
#285DA3 #A3285D #5DA328
tetradic
#285DA3 #A3289B #A36E28 #28A330
square
#285DA3 #A3289B #A36E28 #28A330
split-complementary
#285DA3 #A33028 #9BA328
monochromatic
#102541 #1C4172 #285DA3 #3A7ACF #6B9BDB

Accessibility & contrast

On white

6.59
#285DA3 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.18
#285DA3 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285DA3
6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##285DA3#FFFFFF#000000##FFFFFF
##285DA31.006.593.186.59
#FFFFFF6.591.0021.001.00
#0000003.1821.001.0021.00
##FFFFFF6.591.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3B63A6
Deuteranopia (green-blind)
#2558A2
Tritanopia (blue-blind)
#006D78
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #285da3;
/* rgb */ color: rgb(40, 93, 163);
/* oklch */ color: oklch(48.0% 0.126 256.5);
Tailwind
colors: {
  custom: {
    50: '#738abf',
    500: '#285da3',
    950: '#000000',
  },
}
SCSS
$custom: #285da3;
$custom-light: #738abf;
$custom-dark: #000000;
JSON
{
  "hex": "#285da3",
  "rgb": {
    "r": 40,
    "g": 93,
    "b": 163
  },
  "hsl": {
    "h": 214.146,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.48003,
    "c": 0.12612,
    "h": 256.5
  },
  "luminance": 0.10924
}

Semantic roles & 50–950 ramp

primary
#285DA3
secondary
#C19A66
accent
#9F44E4
background
#F7F8FB
surface
#EDF0F7
border
#C8CBD0
text
#090B12
muted
#7B7C81

Preview Lab

Preview with #285DA3

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

Preview Lab → · Contrast checker → · Palette generator →

#285DA3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva