#37178D#37178D

#37178D is a dark, vivid violet. Relative luminance 0.033; OKLCH L 34.3% C 0.175 H 284.8°. Best body text is #FFFFFF at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#37178D
RGB	rgb(55, 23, 141)
HSL	hsl(256, 72%, 32%)
HSV	hsv(256, 84%, 55%)
CMYK	cmyk(61%, 83.7%, 0%, 44.7%)
CIE-LAB	lab(21.39, 45.28, -58.80)
CIE-LCH	lch(21.39, 74.21, 307.60°)
OKLab	oklab(34.3% 0.0447 -0.1695)
OKLCH	oklch(34.3% 0.175 284.8)
XYZ	xyz(6.6882, 3.3477, 25.4879)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37178D #6D8D17

analogous

#17328D #37178D #72178D

triadic

#37178D #8D3717 #178D37

tetradic

#37178D #8D1732 #6D8D17 #178D72

square

#37178D #8D1732 #6D8D17 #178D72

split-complementary

#37178D #8D7217 #328D17

monochromatic

#0E0624 #220E58 #37178D #4C20C2 #6A3FE0

Accessibility & contrast

On white

12.58

#37178D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#37178D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37178D

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37178D	#FFFFFF	#000000	##FFFFFF
##37178D	1.00	12.58	1.67	12.58
#FFFFFF	12.58	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003690

Deuteranopia (green-blind)

#00308B

Tritanopia (blue-blind)

#003B53

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #37178d;
/* rgb */ color: rgb(55, 23, 141);
/* oklch */ color: oklch(34.3% 0.175 284.8);

Tailwind

colors: {
  custom: {
    50: '#7a5ab0',
    500: '#37178d',
    950: '#000000',
  },
}

SCSS

$custom: #37178d;
$custom-light: #7a5ab0;
$custom-dark: #000000;

JSON

{
  "hex": "#37178d",
  "rgb": {
    "r": 55,
    "g": 23,
    "b": 141
  },
  "hsl": {
    "h": 256.271,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.34297,
    "c": 0.17527,
    "h": 284.8
  },
  "luminance": 0.03348
}

Semantic roles & 50–950 ramp

primary

#37178D

secondary

#9DC040

accent

#EF39BD

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #37178D

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

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