#370F56#370F56

#370F56 is a dark, moderate violet. Relative luminance 0.018; OKLCH L 27.8% C 0.120 H 305.3°. Best body text is #FFFFFF at 15.38:1 contrast (WCAG AA passes).

Color values

HEX	#370F56
RGB	rgb(55, 15, 86)
HSL	hsl(274, 70%, 20%)
HSV	hsv(274, 83%, 34%)
CMYK	cmyk(36%, 82.6%, 0%, 66.3%)
CIE-LAB	lab(14.55, 33.50, -34.37)
CIE-LCH	lch(14.55, 48.00, 314.26°)
OKLab	oklab(27.85% 0.0693 -0.0979)
OKLCH	oklch(27.85% 0.12 305.3)
XYZ	xyz(3.4257, 1.8258, 8.9742)
Luminance	0.0183 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370F56 #2E560F

analogous

#140F56 #370F56 #560F52

triadic

#370F56 #56370F #0F5637

tetradic

#370F56 #56140F #2E560F #0F5256

square

#370F56 #56140F #2E560F #0F5256

split-complementary

#370F56 #52560F #0F5614

monochromatic

#11051A #160622 #370F56 #58188A #7A21BE

Accessibility & contrast

On white

15.38

#370F56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#370F56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370F56

15.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370F56	#FFFFFF	#000000	##FFFFFF
##370F56	1.00	15.38	1.37	15.38
#FFFFFF	15.38	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002458

Deuteranopia (green-blind)

#002555

Tritanopia (blue-blind)

#312132

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #370f56;
/* rgb */ color: rgb(55, 15, 86);
/* oklch */ color: oklch(27.8% 0.120 305.3);

Tailwind

colors: {
  custom: {
    50: '#725286',
    500: '#370f56',
    950: '#000000',
  },
}

SCSS

$custom: #370f56;
$custom-light: #725286;
$custom-dark: #000000;

JSON

{
  "hex": "#370f56",
  "rgb": {
    "r": 55,
    "g": 15,
    "b": 86
  },
  "hsl": {
    "h": 273.803,
    "s": 70.297,
    "l": 19.804
  },
  "oklch": {
    "l": 0.27845,
    "c": 0.11991,
    "h": 305.3
  },
  "luminance": 0.01826
}

Semantic roles & 50–950 ramp

primary

#370F56

secondary

#5A9031

accent

#ED3B89

background

#F7F4F8

surface

#EDE7EF

border

#C8C3CA

text

#08020B

muted

#7B787C

Preview Lab

Preview with #370F56

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

Preview Lab → · Contrast checker → · Palette generator →