#282AB1#282AB1

#282AB1 is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.5% C 0.205 H 271.4°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#282AB1
RGB	rgb(40, 42, 177)
HSL	hsl(239, 63%, 43%)
HSV	hsv(239, 77%, 69%)
CMYK	cmyk(77.4%, 76.3%, 0%, 30.6%)
CIE-LAB	lab(27.52, 45.56, -70.67)
CIE-LCH	lch(27.52, 84.08, 302.81°)
OKLab	oklab(39.46% 0.0051 -0.2046)
OKLCH	oklch(39.46% 0.205 271.4)
XYZ	xyz(9.6362, 5.2803, 42.0978)
Luminance	0.0528 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282AB1 #B1AF28

analogous

#286FB1 #282AB1 #6A28B1

triadic

#282AB1 #B1282A #2AB128

tetradic

#282AB1 #B1286F #B1AF28 #28B16A

square

#282AB1 #B1286F #B1AF28 #28B16A

split-complementary

#282AB1 #B16A28 #6FB128

monochromatic

#11124D #1D1E7F #282AB1 #4244D4 #7475E0

Accessibility & contrast

On white

10.21

#282AB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#282AB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282AB1

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282AB1	#FFFFFF	#000000	##FFFFFF
##282AB1	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B5

Deuteranopia (green-blind)

#003AAF

Tritanopia (blue-blind)

#00526C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #282ab1;
/* rgb */ color: rgb(40, 42, 177);
/* oklch */ color: oklch(39.5% 0.205 271.4);

Tailwind

colors: {
  custom: {
    50: '#7a66ca',
    500: '#282ab1',
    950: '#000000',
  },
}

SCSS

$custom: #282ab1;
$custom-light: #7a66ca;
$custom-dark: #000000;

JSON

{
  "hex": "#282ab1",
  "rgb": {
    "r": 40,
    "g": 42,
    "b": 177
  },
  "hsl": {
    "h": 239.124,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.39459,
    "c": 0.20466,
    "h": 271.4
  },
  "luminance": 0.05281
}

Semantic roles & 50–950 ramp

primary

#282AB1

secondary

#C7C66E

accent

#E442E6

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #282AB1

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

Preview Lab → · Contrast checker → · Palette generator →