#282BA4#282BA4

#282BA4 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.2% C 0.188 H 272.1°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#282BA4
RGB	rgb(40, 43, 164)
HSL	hsl(239, 61%, 40%)
HSV	hsv(239, 76%, 64%)
CMYK	cmyk(75.6%, 73.8%, 0%, 35.7%)
CIE-LAB	lab(26.33, 40.60, -64.81)
CIE-LCH	lch(26.33, 76.48, 302.06°)
OKLab	oklab(38.2% 0.0069 -0.1876)
OKLCH	oklch(38.2% 0.188 272.1)
XYZ	xyz(8.4375, 4.8583, 35.6078)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282BA4 #A4A128

analogous

#2869A4 #282BA4 #6328A4

triadic

#282BA4 #A4282B #2BA428

tetradic

#282BA4 #A42869 #A4A128 #28A463

square

#282BA4 #A42869 #A4A128 #28A463

split-complementary

#282BA4 #A46328 #69A428

monochromatic

#101142 #1C1E73 #282BA4 #3A3ECF #6B6EDB

Accessibility & contrast

On white

10.65

#282BA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#282BA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282BA4

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282BA4	#FFFFFF	#000000	##FFFFFF
##282BA4	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A8

Deuteranopia (green-blind)

#0038A2

Tritanopia (blue-blind)

#004E65

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #282ba4;
/* rgb */ color: rgb(40, 43, 164);
/* oklch */ color: oklch(38.2% 0.188 272.1);

Tailwind

colors: {
  custom: {
    50: '#7766c0',
    500: '#282ba4',
    950: '#000000',
  },
}

SCSS

$custom: #282ba4;
$custom-light: #7766c0;
$custom-dark: #000000;

JSON

{
  "hex": "#282ba4",
  "rgb": {
    "r": 40,
    "g": 43,
    "b": 164
  },
  "hsl": {
    "h": 238.548,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.382,
    "c": 0.18772,
    "h": 272.1
  },
  "luminance": 0.04859
}

Semantic roles & 50–950 ramp

primary

#282BA4

secondary

#C1BF66

accent

#E044E4

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282BA4

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

Preview Lab → · Contrast checker → · Palette generator →