#2823B0#2823B0

#2823B0 is a dark, highly saturated blue. Relative luminance 0.048; OKLCH L 38.4% C 0.210 H 272.1°. Best body text is #FFFFFF at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#2823B0
RGB	rgb(40, 35, 176)
HSL	hsl(242, 67%, 41%)
HSV	hsv(242, 80%, 69%)
CMYK	cmyk(77.3%, 80.1%, 0%, 31%)
CIE-LAB	lab(26.12, 48.94, -72.39)
CIE-LCH	lch(26.12, 87.38, 304.06°)
OKLab	oklab(38.44% 0.0077 -0.2095)
OKLCH	oklch(38.44% 0.21 272.1)
XYZ	xyz(9.3099, 4.7868, 41.4992)
Luminance	0.0479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2823B0 #ABB023

analogous

#2365B0 #2823B0 #6F23B0

triadic

#2823B0 #B02823 #23B028

tetradic

#2823B0 #B02365 #ABB023 #23B06F

square

#2823B0 #B02365 #ABB023 #23B06F

split-complementary

#2823B0 #B06F23 #65B023

monochromatic

#110F4A #1C197D #2823B0 #3E39D8 #706CE2

Accessibility & contrast

On white

10.73

#2823B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2823B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2823B0

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2823B0	#FFFFFF	#000000	##FFFFFF
##2823B0	1.00	10.73	1.96	10.73
#FFFFFF	10.73	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045B4

Deuteranopia (green-blind)

#0037AE

Tritanopia (blue-blind)

#004F6A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2823b0;
/* rgb */ color: rgb(40, 35, 176);
/* oklch */ color: oklch(38.4% 0.210 272.1);

Tailwind

colors: {
  custom: {
    50: '#7a61c9',
    500: '#2823b0',
    950: '#000000',
  },
}

SCSS

$custom: #2823b0;
$custom-light: #7a61c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2823b0",
  "rgb": {
    "r": 40,
    "g": 35,
    "b": 176
  },
  "hsl": {
    "h": 242.128,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.38442,
    "c": 0.20964,
    "h": 272.1
  },
  "luminance": 0.04788
}

Semantic roles & 50–950 ramp

primary

#2823B0

secondary

#C4C867

accent

#EA3EE4

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2823B0

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

Preview Lab → · Contrast checker → · Palette generator →