#282C9D#282C9D

#282C9D is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.6% C 0.178 H 272.4°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#282C9D
RGB	rgb(40, 44, 157)
HSL	hsl(238, 59%, 39%)
HSV	hsv(238, 75%, 62%)
CMYK	cmyk(74.5%, 72%, 0%, 38.4%)
CIE-LAB	lab(25.82, 37.57, -61.39)
CIE-LCH	lch(25.82, 71.98, 301.46°)
OKLab	oklab(37.62% 0.0075 -0.1776)
OKLCH	oklch(37.62% 0.178 272.4)
XYZ	xyz(7.8595, 4.6860, 32.3820)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282C9D #9D9928

analogous

#28669D #282C9D #5E289D

triadic

#282C9D #9D282C #2C9D28

tetradic

#282C9D #9D2866 #9D9928 #289D5E

square

#282C9D #9D2866 #9D9928 #289D5E

split-complementary

#282C9D #9D5E28 #669D28

monochromatic

#0F113B #1C1E6C #282C9D #363BCC #676BD8

Accessibility & contrast

On white

10.84

#282C9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#282C9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282C9D

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282C9D	#FFFFFF	#000000	##FFFFFF
##282C9D	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A0

Deuteranopia (green-blind)

#00379B

Tritanopia (blue-blind)

#004C61

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #282c9d;
/* rgb */ color: rgb(40, 44, 157);
/* oklch */ color: oklch(37.6% 0.178 272.4);

Tailwind

colors: {
  custom: {
    50: '#7566bb',
    500: '#282c9d',
    950: '#000000',
  },
}

SCSS

$custom: #282c9d;
$custom-light: #7566bb;
$custom-dark: #000000;

JSON

{
  "hex": "#282c9d",
  "rgb": {
    "r": 40,
    "g": 44,
    "b": 157
  },
  "hsl": {
    "h": 237.949,
    "s": 59.391,
    "l": 38.627
  },
  "oklch": {
    "l": 0.37621,
    "c": 0.17779,
    "h": 272.4
  },
  "luminance": 0.04687
}

Semantic roles & 50–950 ramp

primary

#282C9D

secondary

#BEBB62

accent

#DD45E3

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282C9D

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

Preview Lab → · Contrast checker → · Palette generator →