#282DA3#282DA3

#282DA3 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.4% C 0.184 H 271.9°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#282DA3
RGB	rgb(40, 45, 163)
HSL	hsl(238, 61%, 40%)
HSV	hsv(238, 75%, 64%)
CMYK	cmyk(75.5%, 72.4%, 0%, 36.1%)
CIE-LAB	lab(26.65, 39.06, -63.67)
CIE-LCH	lch(26.65, 74.70, 301.53°)
OKLab	oklab(38.4% 0.0061 -0.1843)
OKLCH	oklch(38.4% 0.184 271.9)
XYZ	xyz(8.4221, 4.9713, 35.1589)
Luminance	0.0497 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282DA3 #A39E28

analogous

#286BA3 #282DA3 #6128A3

triadic

#282DA3 #A3282D #2DA328

tetradic

#282DA3 #A3286B #A39E28 #28A361

square

#282DA3 #A3286B #A39E28 #28A361

split-complementary

#282DA3 #A36128 #6BA328

monochromatic

#101241 #1C1F72 #282DA3 #3A40CF #6B6FDB

Accessibility & contrast

On white

10.53

#282DA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#282DA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282DA3

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282DA3	#FFFFFF	#000000	##FFFFFF
##282DA3	1.00	10.53	1.99	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A7

Deuteranopia (green-blind)

#0039A1

Tritanopia (blue-blind)

#004E65

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #282da3;
/* rgb */ color: rgb(40, 45, 163);
/* oklch */ color: oklch(38.4% 0.184 271.9);

Tailwind

colors: {
  custom: {
    50: '#7667bf',
    500: '#282da3',
    950: '#000000',
  },
}

SCSS

$custom: #282da3;
$custom-light: #7667bf;
$custom-dark: #000000;

JSON

{
  "hex": "#282da3",
  "rgb": {
    "r": 40,
    "g": 45,
    "b": 163
  },
  "hsl": {
    "h": 237.561,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.38401,
    "c": 0.18437,
    "h": 271.9
  },
  "luminance": 0.04972
}

Semantic roles & 50–950 ramp

primary

#282DA3

secondary

#C1BD66

accent

#DD44E4

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282DA3

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

Preview Lab → · Contrast checker → · Palette generator →