#282DA8#282DA8

#282DA8 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.9% C 0.191 H 271.6°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#282DA8
RGB	rgb(40, 45, 168)
HSL	hsl(238, 62%, 41%)
HSV	hsv(238, 76%, 66%)
CMYK	cmyk(76.2%, 73.2%, 0%, 34.1%)
CIE-LAB	lab(27.17, 40.80, -65.84)
CIE-LCH	lch(27.17, 77.46, 301.78°)
OKLab	oklab(38.92% 0.0054 -0.1906)
OKLCH	oklch(38.92% 0.191 271.6)
XYZ	xyz(8.8790, 5.1541, 37.5651)
Luminance	0.0515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282DA8 #A8A328

analogous

#286DA8 #282DA8 #6328A8

triadic

#282DA8 #A8282D #2DA828

tetradic

#282DA8 #A8286D #A8A328 #28A863

square

#282DA8 #A8286D #A8A328 #28A863

split-complementary

#282DA8 #A86328 #6DA828

monochromatic

#101345 #1C2077 #282DA8 #3D42D1 #6E72DC

Accessibility & contrast

On white

10.34

#282DA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#282DA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282DA8

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282DA8	#FFFFFF	#000000	##FFFFFF
##282DA8	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AC

Deuteranopia (green-blind)

#003AA6

Tritanopia (blue-blind)

#005068

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #282da8;
/* rgb */ color: rgb(40, 45, 168);
/* oklch */ color: oklch(38.9% 0.191 271.6);

Tailwind

colors: {
  custom: {
    50: '#7867c3',
    500: '#282da8',
    950: '#000000',
  },
}

SCSS

$custom: #282da8;
$custom-light: #7867c3;
$custom-dark: #000000;

JSON

{
  "hex": "#282da8",
  "rgb": {
    "r": 40,
    "g": 45,
    "b": 168
  },
  "hsl": {
    "h": 237.656,
    "s": 61.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.38925,
    "c": 0.19067,
    "h": 271.6
  },
  "luminance": 0.05155
}

Semantic roles & 50–950 ramp

primary

#282DA8

secondary

#C3C069

accent

#DE43E5

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #282DA8

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

Preview Lab → · Contrast checker → · Palette generator →