#282AA3#282AA3

#282AA3 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.9% C 0.187 H 272.3°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#282AA3
RGB	rgb(40, 42, 163)
HSL	hsl(239, 61%, 40%)
HSV	hsv(239, 75%, 64%)
CMYK	cmyk(75.5%, 74.2%, 0%, 36.1%)
CIE-LAB	lab(26.01, 40.85, -64.73)
CIE-LCH	lch(26.01, 76.54, 302.25°)
OKLab	oklab(37.94% 0.0076 -0.1873)
OKLCH	oklch(37.94% 0.187 272.3)
XYZ	xyz(8.3117, 4.7505, 35.1221)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282AA3 #A3A128

analogous

#2868A3 #282AA3 #6328A3

triadic

#282AA3 #A3282A #2AA328

tetradic

#282AA3 #A32868 #A3A128 #28A363

square

#282AA3 #A32868 #A3A128 #28A363

split-complementary

#282AA3 #A36328 #68A328

monochromatic

#101141 #1C1D72 #282AA3 #3A3CCF #6B6DDB

Accessibility & contrast

On white

10.77

#282AA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#282AA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282AA3

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282AA3	#FFFFFF	#000000	##FFFFFF
##282AA3	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A7

Deuteranopia (green-blind)

#0038A1

Tritanopia (blue-blind)

#004D64

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #282aa3;
/* rgb */ color: rgb(40, 42, 163);
/* oklch */ color: oklch(37.9% 0.187 272.3);

Tailwind

colors: {
  custom: {
    50: '#7765bf',
    500: '#282aa3',
    950: '#000000',
  },
}

SCSS

$custom: #282aa3;
$custom-light: #7765bf;
$custom-dark: #000000;

JSON

{
  "hex": "#282aa3",
  "rgb": {
    "r": 40,
    "g": 42,
    "b": 163
  },
  "hsl": {
    "h": 239.024,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.37943,
    "c": 0.18748,
    "h": 272.3
  },
  "luminance": 0.04751
}

Semantic roles & 50–950 ramp

primary

#282AA3

secondary

#C1C066

accent

#E144E4

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282AA3

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

Preview Lab → · Contrast checker → · Palette generator →