#285AB6#285AB6

#285AB6 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.7% C 0.156 H 261.3°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#285AB6
RGB	rgb(40, 90, 182)
HSL	hsl(219, 64%, 44%)
HSV	hsv(219, 78%, 71%)
CMYK	cmyk(78%, 50.5%, 0%, 28.6%)
CIE-LAB	lab(39.81, 16.85, -53.53)
CIE-LCH	lch(39.81, 56.12, 287.47°)
OKLab	oklab(48.68% -0.0236 -0.154)
OKLCH	oklch(48.68% 0.156 261.3)
XYZ	xyz(12.9717, 11.1393, 45.7134)
Luminance	0.1114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285AB6 #B68428

analogous

#28A1B6 #285AB6 #3D28B6

triadic

#285AB6 #B6285A #5AB628

tetradic

#285AB6 #B628A1 #B68428 #28B63D

square

#285AB6 #B628A1 #B68428 #28B63D

split-complementary

#285AB6 #B63D28 #A1B628

monochromatic

#122852 #1D4184 #285AB6 #4578D6 #779DE1

Accessibility & contrast

On white

6.51

#285AB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#285AB6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285AB6

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285AB6	#FFFFFF	#000000	##FFFFFF
##285AB6	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2165B9

Deuteranopia (green-blind)

#0058B4

Tritanopia (blue-blind)

#00707F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #285ab6;
/* rgb */ color: rgb(40, 90, 182);
/* oklch */ color: oklch(48.7% 0.156 261.3);

Tailwind

colors: {
  custom: {
    50: '#7888cc',
    500: '#285ab6',
    950: '#000000',
  },
}

SCSS

$custom: #285ab6;
$custom-light: #7888cc;
$custom-dark: #000000;

JSON

{
  "hex": "#285ab6",
  "rgb": {
    "r": 40,
    "g": 90,
    "b": 182
  },
  "hsl": {
    "h": 218.873,
    "s": 63.964,
    "l": 43.529
  },
  "oklch": {
    "l": 0.48678,
    "c": 0.1558,
    "h": 261.3
  },
  "luminance": 0.11141
}

Semantic roles & 50–950 ramp

primary

#285AB6

secondary

#C9AA71

accent

#AC41E7

background

#F7F8FC

surface

#EEEFF9

border

#C9CAD2

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #285AB6

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

Preview Lab → · Contrast checker → · Palette generator →