#2823A1#2823A1

#2823A1 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.7% C 0.192 H 273.3°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#2823A1
RGB	rgb(40, 35, 161)
HSL	hsl(242, 64%, 38%)
HSV	hsv(242, 78%, 63%)
CMYK	cmyk(75.2%, 78.3%, 0%, 36.9%)
CIE-LAB	lab(24.40, 44.12, -66.17)
CIE-LCH	lch(24.40, 79.53, 303.69°)
OKLab	oklab(36.74% 0.0111 -0.1915)
OKLCH	oklch(36.74% 0.192 273.3)
XYZ	xyz(7.9070, 4.2256, 34.1102)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2823A1 #9CA123

analogous

#235DA1 #2823A1 #6723A1

triadic

#2823A1 #A12823 #23A128

tetradic

#2823A1 #A1235D #9CA123 #23A167

square

#2823A1 #A1235D #9CA123 #23A167

split-complementary

#2823A1 #A16723 #5DA123

monochromatic

#0F0D3C #1C186F #2823A1 #362FD2 #6762DD

Accessibility & contrast

On white

11.38

#2823A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#2823A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2823A1

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2823A1	#FFFFFF	#000000	##FFFFFF
##2823A1	1.00	11.38	1.85	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A5

Deuteranopia (green-blind)

#00349F

Tritanopia (blue-blind)

#004961

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2823a1;
/* rgb */ color: rgb(40, 35, 161);
/* oklch */ color: oklch(36.7% 0.192 273.3);

Tailwind

colors: {
  custom: {
    50: '#7760be',
    500: '#2823a1',
    950: '#000000',
  },
}

SCSS

$custom: #2823a1;
$custom-light: #7760be;
$custom-dark: #000000;

JSON

{
  "hex": "#2823a1",
  "rgb": {
    "r": 40,
    "g": 35,
    "b": 161
  },
  "hsl": {
    "h": 242.381,
    "s": 64.286,
    "l": 38.431
  },
  "oklch": {
    "l": 0.36742,
    "c": 0.19178,
    "h": 273.3
  },
  "luminance": 0.04226
}

Semantic roles & 50–950 ramp

primary

#2823A1

secondary

#BEC25E

accent

#E741E1

background

#F7F5FB

surface

#EEEAF7

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #2823A1

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

Preview Lab → · Contrast checker → · Palette generator →