#282DB0#282DB0

#282DB0 is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 39.8% C 0.201 H 271.2°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#282DB0
RGB	rgb(40, 45, 176)
HSL	hsl(238, 63%, 42%)
HSV	hsv(238, 77%, 69%)
CMYK	cmyk(77.3%, 74.4%, 0%, 31%)
CIE-LAB	lab(28.01, 43.53, -69.26)
CIE-LCH	lch(28.01, 81.80, 302.15°)
OKLab	oklab(39.78% 0.0041 -0.2005)
OKLCH	oklch(39.78% 0.201 271.2)
XYZ	xyz(9.6473, 5.4614, 41.6116)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282DB0 #B0AB28

analogous

#2871B0 #282DB0 #6728B0

triadic

#282DB0 #B0282D #2DB028

tetradic

#282DB0 #B02871 #B0AB28 #28B067

square

#282DB0 #B02871 #B0AB28 #28B067

split-complementary

#282DB0 #B06728 #71B028

monochromatic

#11144C #1D207E #282DB0 #4147D4 #7377DF

Accessibility & contrast

On white

10.04

#282DB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#282DB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282DB0

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282DB0	#FFFFFF	#000000	##FFFFFF
##282DB0	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B4

Deuteranopia (green-blind)

#003BAE

Tritanopia (blue-blind)

#00536C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #282db0;
/* rgb */ color: rgb(40, 45, 176);
/* oklch */ color: oklch(39.8% 0.201 271.2);

Tailwind

colors: {
  custom: {
    50: '#7a67c9',
    500: '#282db0',
    950: '#000000',
  },
}

SCSS

$custom: #282db0;
$custom-light: #7a67c9;
$custom-dark: #000000;

JSON

{
  "hex": "#282db0",
  "rgb": {
    "r": 40,
    "g": 45,
    "b": 176
  },
  "hsl": {
    "h": 237.794,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.39776,
    "c": 0.20057,
    "h": 271.2
  },
  "luminance": 0.05462
}

Semantic roles & 50–950 ramp

primary

#282DB0

secondary

#C6C36D

accent

#E042E6

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #282DB0

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

Preview Lab → · Contrast checker → · Palette generator →