#2828AB#2828AB

#2828AB is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.5% C 0.199 H 272.0°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#2828AB
RGB	rgb(40, 40, 171)
HSL	hsl(240, 62%, 41%)
HSV	hsv(240, 77%, 67%)
CMYK	cmyk(76.6%, 76.6%, 0%, 32.9%)
CIE-LAB	lab(26.47, 44.68, -68.80)
CIE-LCH	lch(26.47, 82.04, 303.00°)
OKLab	oklab(38.53% 0.007 -0.1992)
OKLCH	oklch(38.53% 0.199 272)
XYZ	xyz(8.9821, 4.9080, 38.9941)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2828AB #ABAB28

analogous

#286AAB #2828AB #6A28AB

triadic

#2828AB #AB2828 #28AB28

tetradic

#2828AB #AB286A #ABAB28 #28AB6A

square

#2828AB #AB286A #ABAB28 #28AB6A

split-complementary

#2828AB #AB6A28 #6AAB28

monochromatic

#111148 #1C1C79 #2828AB #3E3ED2 #7070DE

Accessibility & contrast

On white

10.60

#2828AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2828AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2828AB

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2828AB	#FFFFFF	#000000	##FFFFFF
##2828AB	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AF

Deuteranopia (green-blind)

#0038A9

Tritanopia (blue-blind)

#004F68

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2828ab;
/* rgb */ color: rgb(40, 40, 171);
/* oklch */ color: oklch(38.5% 0.199 272.0);

Tailwind

colors: {
  custom: {
    50: '#7964c5',
    500: '#2828ab',
    950: '#000000',
  },
}

SCSS

$custom: #2828ab;
$custom-light: #7964c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2828ab",
  "rgb": {
    "r": 40,
    "g": 40,
    "b": 171
  },
  "hsl": {
    "h": 240,
    "s": 62.085,
    "l": 41.373
  },
  "oklch": {
    "l": 0.38525,
    "c": 0.19928,
    "h": 272
  },
  "luminance": 0.04909
}

Semantic roles & 50–950 ramp

primary

#2828AB

secondary

#C4C46A

accent

#E543E5

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2828AB

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

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