#282CB0#282CB0

#282CB0 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 39.6% C 0.202 H 271.3°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#282CB0
RGB	rgb(40, 44, 176)
HSL	hsl(238, 63%, 42%)
HSV	hsv(238, 77%, 69%)
CMYK	cmyk(77.3%, 75%, 0%, 31%)
CIE-LAB	lab(27.81, 44.11, -69.59)
CIE-LCH	lch(27.81, 82.39, 302.36°)
OKLab	oklab(39.63% 0.0045 -0.2015)
OKLCH	oklch(39.63% 0.202 271.3)
XYZ	xyz(9.6096, 5.3860, 41.5990)
Luminance	0.0539 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282CB0 #B0AC28

analogous

#2870B0 #282CB0 #6828B0

triadic

#282CB0 #B0282C #2CB028

tetradic

#282CB0 #B02870 #B0AC28 #28B068

square

#282CB0 #B02870 #B0AC28 #28B068

split-complementary

#282CB0 #B06828 #70B028

monochromatic

#11134C #1D207E #282CB0 #4146D4 #7376DF

Accessibility & contrast

On white

10.11

#282CB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#282CB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282CB0

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282CB0	#FFFFFF	#000000	##FFFFFF
##282CB0	1.00	10.11	2.08	10.11
#FFFFFF	10.11	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B4

Deuteranopia (green-blind)

#003BAE

Tritanopia (blue-blind)

#00536C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #282cb0;
/* rgb */ color: rgb(40, 44, 176);
/* oklch */ color: oklch(39.6% 0.202 271.3);

Tailwind

colors: {
  custom: {
    50: '#7a67c9',
    500: '#282cb0',
    950: '#000000',
  },
}

SCSS

$custom: #282cb0;
$custom-light: #7a67c9;
$custom-dark: #000000;

JSON

{
  "hex": "#282cb0",
  "rgb": {
    "r": 40,
    "g": 44,
    "b": 176
  },
  "hsl": {
    "h": 238.235,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.39631,
    "c": 0.20155,
    "h": 271.3
  },
  "luminance": 0.05387
}

Semantic roles & 50–950 ramp

primary

#282CB0

secondary

#C6C46D

accent

#E142E6

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #282CB0

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

Preview Lab → · Contrast checker → · Palette generator →