#2817A0#2817A0

#2817A0 is a dark, highly saturated blue. Relative luminance 0.036; OKLCH L 35.3% C 0.200 H 274.4°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#2817A0
RGB	rgb(40, 23, 160)
HSL	hsl(247, 75%, 36%)
HSV	hsv(247, 86%, 63%)
CMYK	cmyk(75%, 85.6%, 0%, 37.3%)
CIE-LAB	lab(22.31, 49.58, -69.04)
CIE-LCH	lch(22.31, 85.00, 305.68°)
OKLab	oklab(35.25% 0.0155 -0.1996)
OKLCH	oklch(35.25% 0.2 274.4)
XYZ	xyz(7.5245, 3.6012, 33.5494)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2817A0 #8FA017

analogous

#174AA0 #2817A0 #6C17A0

triadic

#2817A0 #A02817 #17A028

tetradic

#2817A0 #A0174A #8FA017 #17A06C

square

#2817A0 #A0174A #8FA017 #17A06C

split-complementary

#2817A0 #A06C17 #4AA017

monochromatic

#0D0835 #1B0F6A #2817A0 #351FD6 #5F4CE5

Accessibility & contrast

On white

12.21

#2817A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#2817A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2817A0

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2817A0	#FFFFFF	#000000	##FFFFFF
##2817A0	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003BA4

Deuteranopia (green-blind)

#002F9E

Tritanopia (blue-blind)

#00445E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #2817a0;
/* rgb */ color: rgb(40, 23, 160);
/* oklch */ color: oklch(35.3% 0.200 274.4);

Tailwind

colors: {
  custom: {
    50: '#785abe',
    500: '#2817a0',
    950: '#000000',
  },
}

SCSS

$custom: #2817a0;
$custom-light: #785abe;
$custom-dark: #000000;

JSON

{
  "hex": "#2817a0",
  "rgb": {
    "r": 40,
    "g": 23,
    "b": 160
  },
  "hsl": {
    "h": 247.445,
    "s": 74.863,
    "l": 35.882
  },
  "oklch": {
    "l": 0.35252,
    "c": 0.20018,
    "h": 274.4
  },
  "luminance": 0.03602
}

Semantic roles & 50–950 ramp

primary

#2817A0

secondary

#B8C74C

accent

#F136DA

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2817A0

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

Preview Lab → · Contrast checker → · Palette generator →