#282FA4#282FA4

#282FA4 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.8% C 0.183 H 271.5°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#282FA4
RGB	rgb(40, 47, 164)
HSL	hsl(237, 61%, 40%)
HSV	hsv(237, 76%, 64%)
CMYK	cmyk(75.6%, 71.3%, 0%, 35.7%)
CIE-LAB	lab(27.20, 38.19, -63.38)
CIE-LCH	lch(27.20, 74.00, 301.07°)
OKLab	oklab(38.82% 0.0049 -0.1834)
OKLCH	oklch(38.82% 0.184 271.5)
XYZ	xyz(8.5902, 5.1636, 35.6587)
Luminance	0.0516 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282FA4 #A49D28

analogous

#286DA4 #282FA4 #5F28A4

triadic

#282FA4 #A4282F #2FA428

tetradic

#282FA4 #A4286D #A49D28 #28A45F

square

#282FA4 #A4286D #A49D28 #28A45F

split-complementary

#282FA4 #A45F28 #6DA428

monochromatic

#101342 #1C2173 #282FA4 #3A43CF #6B72DB

Accessibility & contrast

On white

10.33

#282FA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#282FA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282FA4

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282FA4	#FFFFFF	#000000	##FFFFFF
##282FA4	1.00	10.33	2.03	10.33
#FFFFFF	10.33	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A8

Deuteranopia (green-blind)

#003AA2

Tritanopia (blue-blind)

#005066

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #282fa4;
/* rgb */ color: rgb(40, 47, 164);
/* oklch */ color: oklch(38.8% 0.183 271.5);

Tailwind

colors: {
  custom: {
    50: '#7668c0',
    500: '#282fa4',
    950: '#000000',
  },
}

SCSS

$custom: #282fa4;
$custom-light: #7668c0;
$custom-dark: #000000;

JSON

{
  "hex": "#282fa4",
  "rgb": {
    "r": 40,
    "g": 47,
    "b": 164
  },
  "hsl": {
    "h": 236.613,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.38822,
    "c": 0.1835,
    "h": 271.5
  },
  "luminance": 0.05164
}

Semantic roles & 50–950 ramp

primary

#282FA4

secondary

#C1BC66

accent

#DB44E4

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282FA4

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

Preview Lab → · Contrast checker → · Palette generator →