#370D55#370D55

#370D55 is a dark, vivid violet. Relative luminance 0.018; OKLCH L 27.5% C 0.121 H 306.2°. Best body text is #FFFFFF at 15.54:1 contrast (WCAG AA passes).

Color values

HEX	#370D55
RGB	rgb(55, 13, 85)
HSL	hsl(275, 73%, 19%)
HSV	hsv(275, 85%, 33%)
CMYK	cmyk(35.3%, 84.7%, 0%, 66.7%)
CIE-LAB	lab(14.15, 34.12, -34.34)
CIE-LCH	lch(14.15, 48.41, 314.82°)
OKLab	oklab(27.54% 0.0715 -0.0977)
OKLCH	oklch(27.54% 0.121 306.2)
XYZ	xyz(3.3588, 1.7560, 8.7546)
Luminance	0.0176 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370D55 #2B550D

analogous

#130D55 #370D55 #550D4F

triadic

#370D55 #55370D #0D5537

tetradic

#370D55 #55130D #2B550D #0D4F55

square

#370D55 #55130D #2B550D #0D4F55

split-complementary

#370D55 #4F550D #0D5513

monochromatic

#11041B #150520 #370D55 #59158A #7C1DBF

Accessibility & contrast

On white

15.54

#370D55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#370D55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370D55

15.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370D55	#FFFFFF	#000000	##FFFFFF
##370D55	1.00	15.54	1.35	15.54
#FFFFFF	15.54	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002357

Deuteranopia (green-blind)

#002454

Tritanopia (blue-blind)

#322031

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #370d55;
/* rgb */ color: rgb(55, 13, 85);
/* oklch */ color: oklch(27.5% 0.121 306.2);

Tailwind

colors: {
  custom: {
    50: '#725185',
    500: '#370d55',
    950: '#000000',
  },
}

SCSS

$custom: #370d55;
$custom-light: #725185;
$custom-dark: #000000;

JSON

{
  "hex": "#370d55",
  "rgb": {
    "r": 55,
    "g": 13,
    "b": 85
  },
  "hsl": {
    "h": 275,
    "s": 73.469,
    "l": 19.216
  },
  "oklch": {
    "l": 0.2754,
    "c": 0.12111,
    "h": 306.2
  },
  "luminance": 0.01756
}

Semantic roles & 50–950 ramp

primary

#370D55

secondary

#57902E

accent

#F03885

background

#F7F4F8

surface

#EDE7EF

border

#C8C3CA

text

#08020B

muted

#7B787C

Preview Lab

Preview with #370D55

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

Preview Lab → · Contrast checker → · Palette generator →