#285B9B#285B9B

#285B9B is a mid, moderate cyan. Relative luminance 0.103; OKLCH L 47.0% C 0.117 H 255.5°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX#285B9B
RGBrgb(40, 91, 155)
HSLhsl(213, 59%, 38%)
HSVhsv(213, 74%, 61%)
CMYKcmyk(74.2%, 41.3%, 0%, 39.2%)
CIE-LABlab(38.37, 5.78, -39.83)
CIE-LCHlch(38.37, 40.24, 278.25°)
OKLaboklab(47.01% -0.0293 -0.1137)
OKLCHoklch(47.01% 0.117 255.5)
XYZxyz(10.5304, 10.2987, 32.4369)
Luminance0.1030 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#285B9B #9B6828
analogous
#28949B #285B9B #2E289B
triadic
#285B9B #9B285B #5B9B28
tetradic
#285B9B #9B2894 #9B6828 #289B2E
square
#285B9B #9B2894 #9B6828 #289B2E
split-complementary
#285B9B #9B2E28 #949B28
monochromatic
#0F223A #1B3E6A #285B9B #3578CB #6698D7

Accessibility & contrast

On white

6.86
#285B9B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.06
#285B9B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285B9B
6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##285B9B#FFFFFF#000000##FFFFFF
##285B9B1.006.863.066.86
#FFFFFF6.861.0021.001.00
#0000003.0621.001.0021.00
##FFFFFF6.861.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3D609E
Deuteranopia (green-blind)
#2A559A
Tritanopia (blue-blind)
#006A73
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #285b9b;
/* rgb */ color: rgb(40, 91, 155);
/* oklch */ color: oklch(47.0% 0.117 255.5);
Tailwind
colors: {
  custom: {
    50: '#7288b9',
    500: '#285b9b',
    950: '#000000',
  },
}
SCSS
$custom: #285b9b;
$custom-light: #7288b9;
$custom-dark: #000000;
JSON
{
  "hex": "#285b9b",
  "rgb": {
    "r": 40,
    "g": 91,
    "b": 155
  },
  "hsl": {
    "h": 213.391,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.47011,
    "c": 0.11742,
    "h": 255.5
  },
  "luminance": 0.103
}

Semantic roles & 50–950 ramp

primary
#285B9B
secondary
#BD9561
accent
#9D46E2
background
#F7F8FB
surface
#EDEFF6
border
#C8CAD0
text
#090B11
muted
#7B7C80

Preview Lab

Preview with #285B9B

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

Preview Lab → · Contrast checker → · Palette generator →

#285B9B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva