#2B178E#2B178E

#2B178E is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.3% C 0.178 H 278.2°. Best body text is #FFFFFF at 13.00:1 contrast (WCAG AA passes).

Color values

HEX	#2B178E
RGB	rgb(43, 23, 142)
HSL	hsl(250, 72%, 32%)
HSV	hsv(250, 84%, 56%)
CMYK	cmyk(69.7%, 83.8%, 0%, 44.3%)
CIE-LAB	lab(20.36, 44.39, -61.16)
CIE-LCH	lch(20.36, 75.57, 305.97°)
OKLab	oklab(33.34% 0.0254 -0.1767)
OKLCH	oklch(33.34% 0.178 278.2)
XYZ	xyz(6.1836, 3.0788, 25.8543)
Luminance	0.0308 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B178E #7A8E17

analogous

#173F8E #2B178E #67178E

triadic

#2B178E #8E2B17 #178E2B

tetradic

#2B178E #8E173F #7A8E17 #178E67

square

#2B178E #8E173F #7A8E17 #178E67

split-complementary

#2B178E #8E6717 #3F8E17

monochromatic

#0B0625 #1B0E59 #2B178E #3B20C3 #5A3FE0

Accessibility & contrast

On white

13.00

#2B178E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#2B178E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B178E

13.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B178E	#FFFFFF	#000000	##FFFFFF
##2B178E	1.00	13.00	1.62	13.00
#FFFFFF	13.00	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	13.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003691

Deuteranopia (green-blind)

#002C8C

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #2b178e;
/* rgb */ color: rgb(43, 23, 142);
/* oklch */ color: oklch(33.3% 0.178 278.2);

Tailwind

colors: {
  custom: {
    50: '#7459b0',
    500: '#2b178e',
    950: '#000000',
  },
}

SCSS

$custom: #2b178e;
$custom-light: #7459b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b178e",
  "rgb": {
    "r": 43,
    "g": 23,
    "b": 142
  },
  "hsl": {
    "h": 250.084,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.3334,
    "c": 0.17849,
    "h": 278.2
  },
  "luminance": 0.03079
}

Semantic roles & 50–950 ramp

primary

#2B178E

secondary

#ABC040

accent

#EF39D0

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #2B178E

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

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