#2823A8#2823A8

#2823A8 is a dark, highly saturated blue. Relative luminance 0.045; OKLCH L 37.5% C 0.200 H 272.7°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#2823A8
RGB	rgb(40, 35, 168)
HSL	hsl(242, 66%, 40%)
HSV	hsv(242, 79%, 66%)
CMYK	cmyk(76.2%, 79.2%, 0%, 34.1%)
CIE-LAB	lab(25.20, 46.39, -69.10)
CIE-LCH	lch(25.20, 83.23, 303.87°)
OKLab	oklab(37.53% 0.0095 -0.2)
OKLCH	oklch(37.53% 0.2 272.7)
XYZ	xyz(8.5416, 4.4794, 37.4526)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2823A8 #A3A823

analogous

#2360A8 #2823A8 #6B23A8

triadic

#2823A8 #A82823 #23A828

tetradic

#2823A8 #A82360 #A3A823 #23A86B

square

#2823A8 #A82360 #A3A823 #23A86B

split-complementary

#2823A8 #A86B23 #60A823

monochromatic

#100E43 #1C1875 #2823A8 #3A34D5 #6B66DF

Accessibility & contrast

On white

11.08

#2823A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2823A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2823A8

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2823A8	#FFFFFF	#000000	##FFFFFF
##2823A8	1.00	11.08	1.90	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042AC

Deuteranopia (green-blind)

#0035A6

Tritanopia (blue-blind)

#004C65

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2823a8;
/* rgb */ color: rgb(40, 35, 168);
/* oklch */ color: oklch(37.5% 0.200 272.7);

Tailwind

colors: {
  custom: {
    50: '#7861c3',
    500: '#2823a8',
    950: '#000000',
  },
}

SCSS

$custom: #2823a8;
$custom-light: #7861c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2823a8",
  "rgb": {
    "r": 40,
    "g": 35,
    "b": 168
  },
  "hsl": {
    "h": 242.256,
    "s": 65.517,
    "l": 39.804
  },
  "oklch": {
    "l": 0.3753,
    "c": 0.2002,
    "h": 272.7
  },
  "luminance": 0.0448
}

Semantic roles & 50–950 ramp

primary

#2823A8

secondary

#C1C562

accent

#E83FE2

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2823A8

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

Preview Lab → · Contrast checker → · Palette generator →