#2B178F#2B178F

#2B178F is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.5% C 0.180 H 278.0°. Best body text is #FFFFFF at 12.95:1 contrast (WCAG AA passes).

Color values

HEX	#2B178F
RGB	rgb(43, 23, 143)
HSL	hsl(250, 72%, 33%)
HSV	hsv(250, 84%, 56%)
CMYK	cmyk(69.9%, 83.9%, 0%, 43.9%)
CIE-LAB	lab(20.48, 44.69, -61.59)
CIE-LCH	lch(20.48, 76.10, 305.96°)
OKLab	oklab(33.46% 0.0251 -0.1779)
OKLCH	oklch(33.46% 0.18 278)
XYZ	xyz(6.2590, 3.1090, 26.2515)
Luminance	0.0311 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B178F #7B8F17

analogous

#173F8F #2B178F #67178F

triadic

#2B178F #8F2B17 #178F2B

tetradic

#2B178F #8F173F #7B8F17 #178F67

square

#2B178F #8F173F #7B8F17 #178F67

split-complementary

#2B178F #8F6717 #3F8F17

monochromatic

#0B0626 #1B0F5A #2B178F #3B1FC4 #5B40E0

Accessibility & contrast

On white

12.95

#2B178F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#2B178F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B178F

12.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B178F	#FFFFFF	#000000	##FFFFFF
##2B178F	1.00	12.95	1.62	12.95
#FFFFFF	12.95	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003692

Deuteranopia (green-blind)

#002C8D

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #2b178f;
/* rgb */ color: rgb(43, 23, 143);
/* oklch */ color: oklch(33.5% 0.180 278.0);

Tailwind

colors: {
  custom: {
    50: '#7559b1',
    500: '#2b178f',
    950: '#000000',
  },
}

SCSS

$custom: #2b178f;
$custom-light: #7559b1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b178f",
  "rgb": {
    "r": 43,
    "g": 23,
    "b": 143
  },
  "hsl": {
    "h": 250,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.33456,
    "c": 0.17967,
    "h": 278
  },
  "luminance": 0.0311
}

Semantic roles & 50–950 ramp

primary

#2B178F

secondary

#ABC141

accent

#EF39D1

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #2B178F

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

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