#2823A4#2823A4

#2823A4 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 37.1% C 0.195 H 273.1°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#2823A4
RGB	rgb(40, 35, 164)
HSL	hsl(242, 65%, 39%)
HSV	hsv(242, 79%, 64%)
CMYK	cmyk(75.6%, 78.7%, 0%, 35.7%)
CIE-LAB	lab(24.74, 45.09, -67.43)
CIE-LCH	lch(24.74, 81.12, 303.77°)
OKLab	oklab(37.08% 0.0104 -0.1951)
OKLCH	oklch(37.08% 0.195 273.1)
XYZ	xyz(8.1747, 4.3327, 35.5202)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2823A4 #9FA423

analogous

#235FA4 #2823A4 #6923A4

triadic

#2823A4 #A42823 #23A428

tetradic

#2823A4 #A4235F #9FA423 #23A469

square

#2823A4 #A4235F #9FA423 #23A469

split-complementary

#2823A4 #A46923 #5FA423

monochromatic

#0F0D3F #1C1872 #2823A4 #3731D3 #6864DE

Accessibility & contrast

On white

11.25

#2823A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#2823A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2823A4

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2823A4	#FFFFFF	#000000	##FFFFFF
##2823A4	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A8

Deuteranopia (green-blind)

#0034A2

Tritanopia (blue-blind)

#004A63

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2823a4;
/* rgb */ color: rgb(40, 35, 164);
/* oklch */ color: oklch(37.1% 0.195 273.1);

Tailwind

colors: {
  custom: {
    50: '#7861c0',
    500: '#2823a4',
    950: '#000000',
  },
}

SCSS

$custom: #2823a4;
$custom-light: #7861c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2823a4",
  "rgb": {
    "r": 40,
    "g": 35,
    "b": 164
  },
  "hsl": {
    "h": 242.326,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.37079,
    "c": 0.19541,
    "h": 273.1
  },
  "luminance": 0.04334
}

Semantic roles & 50–950 ramp

primary

#2823A4

secondary

#BFC360

accent

#E840E1

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #2823A4

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

Preview Lab → · Contrast checker → · Palette generator →