#285BBC#285BBC

#285BBC is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.3% C 0.163 H 261.7°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#285BBC
RGB	rgb(40, 91, 188)
HSL	hsl(219, 65%, 45%)
HSV	hsv(219, 79%, 74%)
CMYK	cmyk(78.7%, 51.6%, 0%, 26.3%)
CIE-LAB	lab(40.51, 18.51, -55.91)
CIE-LCH	lch(40.51, 58.89, 288.32°)
OKLab	oklab(49.34% -0.0236 -0.161)
OKLCH	oklch(49.34% 0.163 261.7)
XYZ	xyz(13.6900, 11.5625, 49.0775)
Luminance	0.1156 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285BBC #BC8928

analogous

#28A5BC #285BBC #3F28BC

triadic

#285BBC #BC285B #5BBC28

tetradic

#285BBC #BC28A5 #BC8928 #28BC3F

square

#285BBC #BC28A5 #BC8928 #28BC3F

split-complementary

#285BBC #BC3F28 #A5BC28

monochromatic

#132A57 #1D438A #285BBC #497AD8 #7B9FE3

Accessibility & contrast

On white

6.34

#285BBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#285BBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285BBC

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285BBC	#FFFFFF	#000000	##FFFFFF
##285BBC	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A67BF

Deuteranopia (green-blind)

#0059BA

Tritanopia (blue-blind)

#007383

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #285bbc;
/* rgb */ color: rgb(40, 91, 188);
/* oklch */ color: oklch(49.3% 0.163 261.7);

Tailwind

colors: {
  custom: {
    50: '#7988d1',
    500: '#285bbc',
    950: '#000000',
  },
}

SCSS

$custom: #285bbc;
$custom-light: #7988d1;
$custom-dark: #000000;

JSON

{
  "hex": "#285bbc",
  "rgb": {
    "r": 40,
    "g": 91,
    "b": 188
  },
  "hsl": {
    "h": 219.324,
    "s": 64.912,
    "l": 44.706
  },
  "oklch": {
    "l": 0.49344,
    "c": 0.16273,
    "h": 261.7
  },
  "luminance": 0.11564
}

Semantic roles & 50–950 ramp

primary

#285BBC

secondary

#CBAD75

accent

#AE40E8

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #285BBC

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

Preview Lab → · Contrast checker → · Palette generator →