#282FA9#282FA9

#282FA9 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.3% C 0.190 H 271.3°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#282FA9
RGB	rgb(40, 47, 169)
HSL	hsl(237, 62%, 41%)
HSV	hsv(237, 76%, 66%)
CMYK	cmyk(76.3%, 72.2%, 0%, 33.7%)
CIE-LAB	lab(27.70, 39.95, -65.56)
CIE-LCH	lch(27.70, 76.78, 301.35°)
OKLab	oklab(39.34% 0.0043 -0.1898)
OKLCH	oklch(39.34% 0.19 271.3)
XYZ	xyz(9.0506, 5.3477, 38.0837)
Luminance	0.0535 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282FA9 #A9A228

analogous

#286FA9 #282FA9 #6128A9

triadic

#282FA9 #A9282F #2FA928

tetradic

#282FA9 #A9286F #A9A228 #28A961

square

#282FA9 #A9286F #A9A228 #28A961

split-complementary

#282FA9 #A96128 #6FA928

monochromatic

#111346 #1C2178 #282FA9 #3D45D1 #6F75DD

Accessibility & contrast

On white

10.15

#282FA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#282FA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282FA9

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282FA9	#FFFFFF	#000000	##FFFFFF
##282FA9	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AD

Deuteranopia (green-blind)

#003BA7

Tritanopia (blue-blind)

#005269

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #282fa9;
/* rgb */ color: rgb(40, 47, 169);
/* oklch */ color: oklch(39.3% 0.190 271.3);

Tailwind

colors: {
  custom: {
    50: '#7868c4',
    500: '#282fa9',
    950: '#000000',
  },
}

SCSS

$custom: #282fa9;
$custom-light: #7868c4;
$custom-dark: #000000;

JSON

{
  "hex": "#282fa9",
  "rgb": {
    "r": 40,
    "g": 47,
    "b": 169
  },
  "hsl": {
    "h": 236.744,
    "s": 61.722,
    "l": 40.98
  },
  "oklch": {
    "l": 0.39338,
    "c": 0.18984,
    "h": 271.3
  },
  "luminance": 0.05349
}

Semantic roles & 50–950 ramp

primary

#282FA9

secondary

#C4BF69

accent

#DC43E5

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #282FA9

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

Preview Lab → · Contrast checker → · Palette generator →