#2828A1#2828A1

#2828A1 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.4% C 0.187 H 272.7°. Best body text is #FFFFFF at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#2828A1
RGB	rgb(40, 40, 161)
HSL	hsl(240, 60%, 39%)
HSV	hsv(240, 75%, 63%)
CMYK	cmyk(75.2%, 75.2%, 0%, 36.9%)
CIE-LAB	lab(25.39, 41.33, -64.55)
CIE-LCH	lch(25.39, 76.65, 302.63°)
OKLab	oklab(37.44% 0.0089 -0.1868)
OKLCH	oklch(37.44% 0.187 272.7)
XYZ	xyz(8.0647, 4.5411, 34.1628)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2828A1 #A1A128

analogous

#2865A1 #2828A1 #6528A1

triadic

#2828A1 #A12828 #28A128

tetradic

#2828A1 #A12865 #A1A128 #28A165

square

#2828A1 #A12865 #A1A128 #28A165

split-complementary

#2828A1 #A16528 #65A128

monochromatic

#10103F #1C1C70 #2828A1 #3939CE #6A6ADA

Accessibility & contrast

On white

11.00

#2828A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#2828A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2828A1

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2828A1	#FFFFFF	#000000	##FFFFFF
##2828A1	1.00	11.00	1.91	11.00
#FFFFFF	11.00	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A5

Deuteranopia (green-blind)

#00369F

Tritanopia (blue-blind)

#004B62

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2828a1;
/* rgb */ color: rgb(40, 40, 161);
/* oklch */ color: oklch(37.4% 0.187 272.7);

Tailwind

colors: {
  custom: {
    50: '#7664be',
    500: '#2828a1',
    950: '#000000',
  },
}

SCSS

$custom: #2828a1;
$custom-light: #7664be;
$custom-dark: #000000;

JSON

{
  "hex": "#2828a1",
  "rgb": {
    "r": 40,
    "g": 40,
    "b": 161
  },
  "hsl": {
    "h": 240,
    "s": 60.199,
    "l": 39.412
  },
  "oklch": {
    "l": 0.37435,
    "c": 0.18701,
    "h": 272.7
  },
  "luminance": 0.04542
}

Semantic roles & 50–950 ramp

primary

#2828A1

secondary

#C0C065

accent

#E344E3

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2828A1

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

Preview Lab → · Contrast checker → · Palette generator →