#282DA4#282DA4

#282DA4 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.5% C 0.186 H 271.8°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#282DA4
RGB	rgb(40, 45, 164)
HSL	hsl(238, 61%, 40%)
HSV	hsv(238, 76%, 64%)
CMYK	cmyk(75.6%, 72.6%, 0%, 35.7%)
CIE-LAB	lab(26.76, 39.41, -64.11)
CIE-LCH	lch(26.76, 75.25, 301.58°)
OKLab	oklab(38.51% 0.006 -0.1855)
OKLCH	oklch(38.51% 0.186 271.8)
XYZ	xyz(8.5120, 5.0073, 35.6327)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282DA4 #A49F28

analogous

#286BA4 #282DA4 #6128A4

triadic

#282DA4 #A4282D #2DA428

tetradic

#282DA4 #A4286B #A49F28 #28A461

square

#282DA4 #A4286B #A49F28 #28A461

split-complementary

#282DA4 #A46128 #6BA428

monochromatic

#101242 #1C1F73 #282DA4 #3A40CF #6B70DB

Accessibility & contrast

On white

10.49

#282DA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#282DA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282DA4

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282DA4	#FFFFFF	#000000	##FFFFFF
##282DA4	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A8

Deuteranopia (green-blind)

#0039A2

Tritanopia (blue-blind)

#004F65

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #282da4;
/* rgb */ color: rgb(40, 45, 164);
/* oklch */ color: oklch(38.5% 0.186 271.8);

Tailwind

colors: {
  custom: {
    50: '#7767c0',
    500: '#282da4',
    950: '#000000',
  },
}

SCSS

$custom: #282da4;
$custom-light: #7767c0;
$custom-dark: #000000;

JSON

{
  "hex": "#282da4",
  "rgb": {
    "r": 40,
    "g": 45,
    "b": 164
  },
  "hsl": {
    "h": 237.581,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.38506,
    "c": 0.18564,
    "h": 271.8
  },
  "luminance": 0.05008
}

Semantic roles & 50–950 ramp

primary

#282DA4

secondary

#C1BE66

accent

#DD44E4

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282DA4

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

Preview Lab → · Contrast checker → · Palette generator →