#2820A1#2820A1

#2820A1 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 36.4% C 0.194 H 273.6°. Best body text is #FFFFFF at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#2820A1
RGB	rgb(40, 32, 161)
HSL	hsl(244, 67%, 38%)
HSV	hsv(244, 80%, 63%)
CMYK	cmyk(75.2%, 80.1%, 0%, 36.9%)
CIE-LAB	lab(23.86, 45.69, -67.08)
CIE-LCH	lch(23.86, 81.16, 304.26°)
OKLab	oklab(36.36% 0.0123 -0.194)
OKLCH	oklch(36.36% 0.194 273.6)
XYZ	xyz(7.8225, 4.0565, 34.0820)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2820A1 #99A120

analogous

#2058A1 #2820A1 #6820A1

triadic

#2820A1 #A12820 #20A128

tetradic

#2820A1 #A12058 #99A120 #20A168

square

#2820A1 #A12058 #99A120 #20A168

split-complementary

#2820A1 #A16820 #58A120

monochromatic

#0F0C3B #1B166E #2820A1 #352AD4 #655DDF

Accessibility & contrast

On white

11.59

#2820A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#2820A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2820A1

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2820A1	#FFFFFF	#000000	##FFFFFF
##2820A1	1.00	11.59	1.81	11.59
#FFFFFF	11.59	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA5

Deuteranopia (green-blind)

#00339F

Tritanopia (blue-blind)

#004861

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2820a1;
/* rgb */ color: rgb(40, 32, 161);
/* oklch */ color: oklch(36.4% 0.194 273.6);

Tailwind

colors: {
  custom: {
    50: '#775fbe',
    500: '#2820a1',
    950: '#000000',
  },
}

SCSS

$custom: #2820a1;
$custom-light: #775fbe;
$custom-dark: #000000;

JSON

{
  "hex": "#2820a1",
  "rgb": {
    "r": 40,
    "g": 32,
    "b": 161
  },
  "hsl": {
    "h": 243.721,
    "s": 66.839,
    "l": 37.843
  },
  "oklch": {
    "l": 0.36359,
    "c": 0.19444,
    "h": 273.6
  },
  "luminance": 0.04057
}

Semantic roles & 50–950 ramp

primary

#2820A1

secondary

#BDC35A

accent

#EA3EDF

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #2820A1

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

Preview Lab → · Contrast checker → · Palette generator →