#285ABC#285ABC

#285ABC is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.1% C 0.164 H 262.0°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#285ABC
RGB	rgb(40, 90, 188)
HSL	hsl(220, 65%, 45%)
HSV	hsv(220, 79%, 74%)
CMYK	cmyk(78.7%, 52.1%, 0%, 26.3%)
CIE-LAB	lab(40.23, 19.16, -56.36)
CIE-LCH	lch(40.23, 59.53, 288.78°)
OKLab	oklab(49.13% -0.0228 -0.1623)
OKLCH	oklch(49.13% 0.164 262)
XYZ	xyz(13.6051, 11.3927, 49.0492)
Luminance	0.1139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285ABC #BC8A28

analogous

#28A4BC #285ABC #4028BC

triadic

#285ABC #BC285A #5ABC28

tetradic

#285ABC #BC28A4 #BC8A28 #28BC40

square

#285ABC #BC28A4 #BC8A28 #28BC40

split-complementary

#285ABC #BC4028 #A4BC28

monochromatic

#132A57 #1D428A #285ABC #4979D8 #7B9EE3

Accessibility & contrast

On white

6.40

#285ABC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#285ABC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285ABC

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285ABC	#FFFFFF	#000000	##FFFFFF
##285ABC	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1666BF

Deuteranopia (green-blind)

#0058BA

Tritanopia (blue-blind)

#007282

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #285abc;
/* rgb */ color: rgb(40, 90, 188);
/* oklch */ color: oklch(49.1% 0.164 262.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#285abc",
  "rgb": {
    "r": 40,
    "g": 90,
    "b": 188
  },
  "hsl": {
    "h": 219.73,
    "s": 64.912,
    "l": 44.706
  },
  "oklch": {
    "l": 0.49132,
    "c": 0.16395,
    "h": 262
  },
  "luminance": 0.11394
}

Semantic roles & 50–950 ramp

primary

#285ABC

secondary

#CBAE75

accent

#AF40E8

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #285ABC

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

Preview Lab → · Contrast checker → · Palette generator →