#370F60#370F60

#370F60 is a dark, vivid violet. Relative luminance 0.020; OKLCH L 28.8% C 0.131 H 300.4°. Best body text is #FFFFFF at 15.00:1 contrast (WCAG AA passes).

Color values

HEX	#370F60
RGB	rgb(55, 15, 96)
HSL	hsl(270, 73%, 22%)
HSV	hsv(270, 84%, 38%)
CMYK	cmyk(42.7%, 84.4%, 0%, 62.4%)
CIE-LAB	lab(15.48, 36.14, -39.57)
CIE-LCH	lch(15.48, 53.59, 312.41°)
OKLab	oklab(28.79% 0.0664 -0.1131)
OKLCH	oklch(28.79% 0.131 300.4)
XYZ	xyz(3.8572, 1.9984, 11.2466)
Luminance	0.0200 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 4.36

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370F60 #38600F

analogous

#0F0F60 #370F60 #600F60

triadic

#370F60 #60370F #0F6037

tetradic

#370F60 #600F0F #38600F #0F6060

square

#370F60 #600F0F #38600F #0F6060

split-complementary

#370F60 #60600F #0F600F

monochromatic

#0F041A #19072B #370F60 #551795 #7420CA

Accessibility & contrast

On white

15.00

#370F60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#370F60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370F60

15.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370F60	#FFFFFF	#000000	##FFFFFF
##370F60	1.00	15.00	1.40	15.00
#FFFFFF	15.00	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002662

Deuteranopia (green-blind)

#00265E

Tritanopia (blue-blind)

#2D2538

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #370f60;
/* rgb */ color: rgb(55, 15, 96);
/* oklch */ color: oklch(28.8% 0.131 300.4);

Tailwind

colors: {
  custom: {
    50: '#73538e',
    500: '#370f60',
    950: '#000000',
  },
}

SCSS

$custom: #370f60;
$custom-light: #73538e;
$custom-dark: #000000;

JSON

{
  "hex": "#370f60",
  "rgb": {
    "r": 55,
    "g": 15,
    "b": 96
  },
  "hsl": {
    "h": 269.63,
    "s": 72.973,
    "l": 21.765
  },
  "oklch": {
    "l": 0.28787,
    "c": 0.13114,
    "h": 300.4
  },
  "luminance": 0.01998
}

Semantic roles & 50–950 ramp

primary

#370F60

secondary

#669932

accent

#F03895

background

#F7F4F8

surface

#EDE7F0

border

#C8C3CB

text

#08030C

muted

#7B787D

Preview Lab

Preview with #370F60

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

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