#282FAC#282FAC

#282FAC is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.7% C 0.194 H 271.1°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#282FAC
RGB	rgb(40, 47, 172)
HSL	hsl(237, 62%, 42%)
HSV	hsv(237, 77%, 67%)
CMYK	cmyk(76.7%, 72.7%, 0%, 32.5%)
CIE-LAB	lab(28.01, 40.99, -66.86)
CIE-LCH	lch(28.01, 78.42, 301.51°)
OKLab	oklab(39.65% 0.0038 -0.1936)
OKLCH	oklch(39.65% 0.194 271.1)
XYZ	xyz(9.3355, 5.4617, 39.5839)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282FAC #ACA528

analogous

#2871AC #282FAC #6328AC

triadic

#282FAC #AC282F #2FAC28

tetradic

#282FAC #AC2871 #ACA528 #28AC63

square

#282FAC #AC2871 #ACA528 #28AC63

split-complementary

#282FAC #AC6328 #71AC28

monochromatic

#111449 #1C217A #282FAC #3F47D2 #7176DE

Accessibility & contrast

On white

10.04

#282FAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#282FAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282FAC

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282FAC	#FFFFFF	#000000	##FFFFFF
##282FAC	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)

#0049B0

Deuteranopia (green-blind)

#003CAA

Tritanopia (blue-blind)

#00536A

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #282fac;
/* rgb */ color: rgb(40, 47, 172);
/* oklch */ color: oklch(39.7% 0.194 271.1);

Tailwind

colors: {
  custom: {
    50: '#7868c6',
    500: '#282fac',
    950: '#000000',
  },
}

SCSS

$custom: #282fac;
$custom-light: #7868c6;
$custom-dark: #000000;

JSON

{
  "hex": "#282fac",
  "rgb": {
    "r": 40,
    "g": 47,
    "b": 172
  },
  "hsl": {
    "h": 236.818,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.39651,
    "c": 0.1936,
    "h": 271.1
  },
  "luminance": 0.05463
}

Semantic roles & 50–950 ramp

primary

#282FAC

secondary

#C5C06B

accent

#DD42E5

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #282FAC

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

Preview Lab → · Contrast checker → · Palette generator →