#285CB9#285CB9

#285CB9 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.3% C 0.157 H 261.0°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#285CB9
RGB	rgb(40, 92, 185)
HSL	hsl(218, 64%, 44%)
HSV	hsv(218, 78%, 73%)
CMYK	cmyk(78.4%, 50.3%, 0%, 27.5%)
CIE-LAB	lab(40.58, 16.70, -54.04)
CIE-LCH	lch(40.58, 56.56, 287.17°)
OKLab	oklab(49.33% -0.0247 -0.1555)
OKLCH	oklch(49.33% 0.157 261)
XYZ	xyz(13.4560, 11.6066, 47.4207)
Luminance	0.1161 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285CB9 #B98528

analogous

#28A5B9 #285CB9 #3D28B9

triadic

#285CB9 #B9285C #5CB928

tetradic

#285CB9 #B928A5 #B98528 #28B93D

square

#285CB9 #B928A5 #B98528 #28B93D

split-complementary

#285CB9 #B93D28 #A5B928

monochromatic

#122A54 #1D4387 #285CB9 #477BD7 #799FE2

Accessibility & contrast

On white

6.32

#285CB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#285CB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285CB9

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285CB9	#FFFFFF	#000000	##FFFFFF
##285CB9	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2367BC

Deuteranopia (green-blind)

#0059B7

Tritanopia (blue-blind)

#007282

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #285cb9;
/* rgb */ color: rgb(40, 92, 185);
/* oklch */ color: oklch(49.3% 0.157 261.0);

Tailwind

colors: {
  custom: {
    50: '#7889cf',
    500: '#285cb9',
    950: '#000000',
  },
}

SCSS

$custom: #285cb9;
$custom-light: #7889cf;
$custom-dark: #000000;

JSON

{
  "hex": "#285cb9",
  "rgb": {
    "r": 40,
    "g": 92,
    "b": 185
  },
  "hsl": {
    "h": 218.483,
    "s": 64.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.49333,
    "c": 0.15744,
    "h": 261
  },
  "luminance": 0.11608
}

Semantic roles & 50–950 ramp

primary

#285CB9

secondary

#CAAB73

accent

#AC40E7

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #285CB9

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

Preview Lab → · Contrast checker → · Palette generator →