#282FA3#282FA3

#282FA3 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.7% C 0.182 H 271.6°. Best body text is #FFFFFF at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#282FA3
RGB	rgb(40, 47, 163)
HSL	hsl(237, 61%, 40%)
HSV	hsv(237, 75%, 64%)
CMYK	cmyk(75.5%, 71.2%, 0%, 36.1%)
CIE-LAB	lab(27.10, 37.84, -62.94)
CIE-LCH	lch(27.10, 73.44, 301.01°)
OKLab	oklab(38.72% 0.0051 -0.1821)
OKLCH	oklch(38.72% 0.182 271.6)
XYZ	xyz(8.5002, 5.1276, 35.1850)
Luminance	0.0513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282FA3 #A39C28

analogous

#286DA3 #282FA3 #5E28A3

triadic

#282FA3 #A3282F #2FA328

tetradic

#282FA3 #A3286D #A39C28 #28A35E

square

#282FA3 #A3286D #A39C28 #28A35E

split-complementary

#282FA3 #A35E28 #6DA328

monochromatic

#101341 #1C2172 #282FA3 #3A42CF #6B71DB

Accessibility & contrast

On white

10.37

#282FA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#282FA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282FA3

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282FA3	#FFFFFF	#000000	##FFFFFF
##282FA3	1.00	10.37	2.03	10.37
#FFFFFF	10.37	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A6

Deuteranopia (green-blind)

#003AA1

Tritanopia (blue-blind)

#004F65

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #282fa3;
/* rgb */ color: rgb(40, 47, 163);
/* oklch */ color: oklch(38.7% 0.182 271.6);

Tailwind

colors: {
  custom: {
    50: '#7668bf',
    500: '#282fa3',
    950: '#000000',
  },
}

SCSS

$custom: #282fa3;
$custom-light: #7668bf;
$custom-dark: #000000;

JSON

{
  "hex": "#282fa3",
  "rgb": {
    "r": 40,
    "g": 47,
    "b": 163
  },
  "hsl": {
    "h": 236.585,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.38719,
    "c": 0.18222,
    "h": 271.6
  },
  "luminance": 0.05128
}

Semantic roles & 50–950 ramp

primary

#282FA3

secondary

#C1BC66

accent

#DB44E4

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282FA3

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

Preview Lab → · Contrast checker → · Palette generator →