#2828A2#2828A2

#2828A2 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.5% C 0.188 H 272.6°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#2828A2
RGB	rgb(40, 40, 162)
HSL	hsl(240, 60%, 40%)
HSV	hsv(240, 75%, 64%)
CMYK	cmyk(75.3%, 75.3%, 0%, 36.5%)
CIE-LAB	lab(25.49, 41.67, -64.98)
CIE-LCH	lch(25.49, 77.19, 302.67°)
OKLab	oklab(37.54% 0.0087 -0.188)
OKLCH	oklch(37.54% 0.188 272.6)
XYZ	xyz(8.1533, 4.5765, 34.6291)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2828A2 #A2A228

analogous

#2865A2 #2828A2 #6528A2

triadic

#2828A2 #A22828 #28A228

tetradic

#2828A2 #A22865 #A2A228 #28A265

square

#2828A2 #A22865 #A2A228 #28A265

split-complementary

#2828A2 #A26528 #65A228

monochromatic

#101040 #1C1C71 #2828A2 #3939CE #6A6ADA

Accessibility & contrast

On white

10.96

#2828A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2828A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2828A2

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2828A2	#FFFFFF	#000000	##FFFFFF
##2828A2	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A6

Deuteranopia (green-blind)

#0036A0

Tritanopia (blue-blind)

#004C63

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2828a2;
/* rgb */ color: rgb(40, 40, 162);
/* oklch */ color: oklch(37.5% 0.188 272.6);

Tailwind

colors: {
  custom: {
    50: '#7764bf',
    500: '#2828a2',
    950: '#000000',
  },
}

SCSS

$custom: #2828a2;
$custom-light: #7764bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2828a2",
  "rgb": {
    "r": 40,
    "g": 40,
    "b": 162
  },
  "hsl": {
    "h": 240,
    "s": 60.396,
    "l": 39.608
  },
  "oklch": {
    "l": 0.37543,
    "c": 0.18825,
    "h": 272.6
  },
  "luminance": 0.04577
}

Semantic roles & 50–950 ramp

primary

#2828A2

secondary

#C1C165

accent

#E444E4

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2828A2

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

Preview Lab → · Contrast checker → · Palette generator →