#370F55#370F55

#370F55 is a dark, moderate violet. Relative luminance 0.018; OKLCH L 27.8% C 0.119 H 305.8°. Best body text is #FFFFFF at 15.42:1 contrast (WCAG AA passes).

Color values

HEX	#370F55
RGB	rgb(55, 15, 85)
HSL	hsl(274, 70%, 20%)
HSV	hsv(274, 82%, 33%)
CMYK	cmyk(35.3%, 82.4%, 0%, 66.7%)
CIE-LAB	lab(14.46, 33.24, -33.84)
CIE-LCH	lch(14.46, 47.44, 314.49°)
OKLab	oklab(27.75% 0.0696 -0.0963)
OKLCH	oklch(27.75% 0.119 305.8)
XYZ	xyz(3.3857, 1.8098, 8.7635)
Luminance	0.0181 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370F55 #2D550F

analogous

#140F55 #370F55 #550F50

triadic

#370F55 #55370F #0F5537

tetradic

#370F55 #55140F #2D550F #0F5055

square

#370F55 #55140F #2D550F #0F5055

split-complementary

#370F55 #50550F #0F5514

monochromatic

#11051A #150621 #370F55 #591889 #7A21BD

Accessibility & contrast

On white

15.42

#370F55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#370F55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370F55

15.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370F55	#FFFFFF	#000000	##FFFFFF
##370F55	1.00	15.42	1.36	15.42
#FFFFFF	15.42	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002357

Deuteranopia (green-blind)

#002554

Tritanopia (blue-blind)

#322131

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #370f55;
/* rgb */ color: rgb(55, 15, 85);
/* oklch */ color: oklch(27.8% 0.119 305.8);

Tailwind

colors: {
  custom: {
    50: '#725285',
    500: '#370f55',
    950: '#000000',
  },
}

SCSS

$custom: #370f55;
$custom-light: #725285;
$custom-dark: #000000;

JSON

{
  "hex": "#370f55",
  "rgb": {
    "r": 55,
    "g": 15,
    "b": 85
  },
  "hsl": {
    "h": 274.286,
    "s": 70,
    "l": 19.608
  },
  "oklch": {
    "l": 0.27754,
    "c": 0.11879,
    "h": 305.8
  },
  "luminance": 0.0181
}

Semantic roles & 50–950 ramp

primary

#370F55

secondary

#598F31

accent

#ED3B87

background

#F7F4F8

surface

#EDE7EF

border

#C8C3CA

text

#08020B

muted

#7B787C

Preview Lab

Preview with #370F55

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

Preview Lab → · Contrast checker → · Palette generator →