#285DBC#285DBC

#285DBC is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.8% C 0.160 H 261.0°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#285DBC
RGB	rgb(40, 93, 188)
HSL	hsl(219, 65%, 45%)
HSV	hsv(219, 79%, 74%)
CMYK	cmyk(78.7%, 50.5%, 0%, 26.3%)
CIE-LAB	lab(41.07, 17.20, -55.01)
CIE-LCH	lch(41.07, 57.63, 287.36°)
OKLab	oklab(49.77% -0.0251 -0.1583)
OKLCH	oklch(49.77% 0.16 261)
XYZ	xyz(13.8632, 11.9090, 49.1352)
Luminance	0.1191 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285DBC #BC8728

analogous

#28A7BC #285DBC #3D28BC

triadic

#285DBC #BC285D #5DBC28

tetradic

#285DBC #BC28A7 #BC8728 #28BC3D

square

#285DBC #BC28A7 #BC8728 #28BC3D

split-complementary

#285DBC #BC3D28 #A7BC28

monochromatic

#132B57 #1D448A #285DBC #497CD8 #7BA0E3

Accessibility & contrast

On white

6.21

#285DBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#285DBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285DBC

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285DBC	#FFFFFF	#000000	##FFFFFF
##285DBC	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2168BF

Deuteranopia (green-blind)

#005ABA

Tritanopia (blue-blind)

#007483

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #285dbc;
/* rgb */ color: rgb(40, 93, 188);
/* oklch */ color: oklch(49.8% 0.160 261.0);

Tailwind

colors: {
  custom: {
    50: '#798ad1',
    500: '#285dbc',
    950: '#000000',
  },
}

SCSS

$custom: #285dbc;
$custom-light: #798ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#285dbc",
  "rgb": {
    "r": 40,
    "g": 93,
    "b": 188
  },
  "hsl": {
    "h": 218.514,
    "s": 64.912,
    "l": 44.706
  },
  "oklch": {
    "l": 0.49771,
    "c": 0.16029,
    "h": 261
  },
  "luminance": 0.11911
}

Semantic roles & 50–950 ramp

primary

#285DBC

secondary

#CBAC75

accent

#AC40E8

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #285DBC

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

Preview Lab → · Contrast checker → · Palette generator →