#2823A7#2823A7

#2823A7 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 37.4% C 0.199 H 272.8°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#2823A7
RGB	rgb(40, 35, 167)
HSL	hsl(242, 65%, 40%)
HSV	hsv(242, 79%, 65%)
CMYK	cmyk(76%, 79%, 0%, 34.5%)
CIE-LAB	lab(25.08, 46.06, -68.69)
CIE-LCH	lch(25.08, 82.70, 303.85°)
OKLab	oklab(37.42% 0.0097 -0.1988)
OKLCH	oklch(37.42% 0.199 272.8)
XYZ	xyz(8.4488, 4.4423, 36.9639)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2823A7 #A2A723

analogous

#2360A7 #2823A7 #6A23A7

triadic

#2823A7 #A72823 #23A728

tetradic

#2823A7 #A72360 #A2A723 #23A76A

square

#2823A7 #A72360 #A2A723 #23A76A

split-complementary

#2823A7 #A76A23 #60A723

monochromatic

#100E42 #1C1874 #2823A7 #3933D4 #6A66DF

Accessibility & contrast

On white

11.12

#2823A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#2823A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2823A7

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2823A7	#FFFFFF	#000000	##FFFFFF
##2823A7	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042AB

Deuteranopia (green-blind)

#0035A5

Tritanopia (blue-blind)

#004B65

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2823a7;
/* rgb */ color: rgb(40, 35, 167);
/* oklch */ color: oklch(37.4% 0.199 272.8);

Tailwind

colors: {
  custom: {
    50: '#7861c2',
    500: '#2823a7',
    950: '#000000',
  },
}

SCSS

$custom: #2823a7;
$custom-light: #7861c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2823a7",
  "rgb": {
    "r": 40,
    "g": 35,
    "b": 167
  },
  "hsl": {
    "h": 242.273,
    "s": 65.347,
    "l": 39.608
  },
  "oklch": {
    "l": 0.37417,
    "c": 0.19901,
    "h": 272.8
  },
  "luminance": 0.04443
}

Semantic roles & 50–950 ramp

primary

#2823A7

secondary

#C1C461

accent

#E83FE2

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2823A7

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

Preview Lab → · Contrast checker → · Palette generator →