#2D178C#2D178C

#2D178C is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.3% C 0.176 H 279.5°. Best body text is #FFFFFF at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#2D178C
RGB	rgb(45, 23, 140)
HSL	hsl(251, 72%, 32%)
HSV	hsv(251, 84%, 55%)
CMYK	cmyk(67.9%, 83.6%, 0%, 45.1%)
CIE-LAB	lab(20.30, 43.96, -60.01)
CIE-LCH	lch(20.30, 74.39, 306.23°)
OKLab	oklab(33.27% 0.0291 -0.1733)
OKLCH	oklch(33.27% 0.176 279.5)
XYZ	xyz(6.1207, 3.0636, 25.0746)
Luminance	0.0306 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D178C #768C17

analogous

#173C8C #2D178C #68178C

triadic

#2D178C #8C2D17 #178C2D

tetradic

#2D178C #8C173C #768C17 #178C68

square

#2D178C #8C173C #768C17 #178C68

split-complementary

#2D178C #8C6817 #3C8C17

monochromatic

#0B0623 #1C0E57 #2D178C #3E20C1 #5C3EDF

Accessibility & contrast

On white

13.02

#2D178C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#2D178C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D178C

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D178C	#FFFFFF	#000000	##FFFFFF
##2D178C	1.00	13.02	1.61	13.02
#FFFFFF	13.02	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358F

Deuteranopia (green-blind)

#002C8A

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #2d178c;
/* rgb */ color: rgb(45, 23, 140);
/* oklch */ color: oklch(33.3% 0.176 279.5);

Tailwind

colors: {
  custom: {
    50: '#7559af',
    500: '#2d178c',
    950: '#000000',
  },
}

SCSS

$custom: #2d178c;
$custom-light: #7559af;
$custom-dark: #000000;

JSON

{
  "hex": "#2d178c",
  "rgb": {
    "r": 45,
    "g": 23,
    "b": 140
  },
  "hsl": {
    "h": 251.282,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.33274,
    "c": 0.1757,
    "h": 279.5
  },
  "luminance": 0.03064
}

Semantic roles & 50–950 ramp

primary

#2D178C

secondary

#A7BF3F

accent

#EF39CC

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #2D178C

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

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