#2B178D#2B178D

#2B178D is a dark, vivid violet. Relative luminance 0.030; OKLCH L 33.2% C 0.177 H 278.3°. Best body text is #FFFFFF at 13.05:1 contrast (WCAG AA passes).

Color values

HEX	#2B178D
RGB	rgb(43, 23, 141)
HSL	hsl(250, 72%, 32%)
HSV	hsv(250, 84%, 55%)
CMYK	cmyk(69.5%, 83.7%, 0%, 44.7%)
CIE-LAB	lab(20.24, 44.08, -60.74)
CIE-LCH	lch(20.24, 75.05, 305.97°)
OKLab	oklab(33.22% 0.0257 -0.1754)
OKLCH	oklch(33.22% 0.177 278.3)
XYZ	xyz(6.1088, 3.0489, 25.4607)
Luminance	0.0305 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B178D #798D17

analogous

#173E8D #2B178D #66178D

triadic

#2B178D #8D2B17 #178D2B

tetradic

#2B178D #8D173E #798D17 #178D66

square

#2B178D #8D173E #798D17 #178D66

split-complementary

#2B178D #8D6617 #3E8D17

monochromatic

#0B0624 #1B0E58 #2B178D #3B20C2 #5A3FE0

Accessibility & contrast

On white

13.05

#2B178D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#2B178D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B178D

13.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B178D	#FFFFFF	#000000	##FFFFFF
##2B178D	1.00	13.05	1.61	13.05
#FFFFFF	13.05	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003590

Deuteranopia (green-blind)

#002C8B

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #2b178d;
/* rgb */ color: rgb(43, 23, 141);
/* oklch */ color: oklch(33.2% 0.177 278.3);

Tailwind

colors: {
  custom: {
    50: '#7459b0',
    500: '#2b178d',
    950: '#000000',
  },
}

SCSS

$custom: #2b178d;
$custom-light: #7459b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b178d",
  "rgb": {
    "r": 43,
    "g": 23,
    "b": 141
  },
  "hsl": {
    "h": 250.169,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.33224,
    "c": 0.17731,
    "h": 278.3
  },
  "luminance": 0.03049
}

Semantic roles & 50–950 ramp

primary

#2B178D

secondary

#AAC040

accent

#EF39D0

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #2B178D

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

Preview Lab → · Contrast checker → · Palette generator →