#381B61#381B61

#381B61 is a dark, moderate violet. Relative luminance 0.025; OKLCH L 30.5% C 0.117 H 298.1°. Best body text is #FFFFFF at 14.02:1 contrast (WCAG AA passes).

Color values

HEX	#381B61
RGB	rgb(56, 27, 97)
HSL	hsl(265, 56%, 24%)
HSV	hsv(265, 72%, 38%)
CMYK	cmyk(42.3%, 72.2%, 0%, 62%)
CIE-LAB	lab(17.86, 30.53, -36.34)
CIE-LCH	lch(17.86, 47.46, 310.03°)
OKLab	oklab(30.53% 0.0553 -0.1037)
OKLCH	oklch(30.53% 0.117 298.1)
XYZ	xyz(4.1799, 2.4876, 11.5669)
Luminance	0.0249 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 5.44

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381B61 #44611B

analogous

#1B2161 #381B61 #5B1B61

triadic

#381B61 #61381B #1B6138

tetradic

#381B61 #611B21 #44611B #1B615B

square

#381B61 #611B21 #44611B #1B615B

split-complementary

#381B61 #615B1B #21611B

monochromatic

#0E0718 #1C0E31 #381B61 #542891 #6F36C1

Accessibility & contrast

On white

14.02

#381B61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#381B61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381B61

14.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381B61	#FFFFFF	#000000	##FFFFFF
##381B61	1.00	14.02	1.50	14.02
#FFFFFF	14.02	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C63

Deuteranopia (green-blind)

#002B60

Tritanopia (blue-blind)

#2E2C3B

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #381b61;
/* rgb */ color: rgb(56, 27, 97);
/* oklch */ color: oklch(30.5% 0.117 298.1);

Tailwind

colors: {
  custom: {
    50: '#735a8e',
    500: '#381b61',
    950: '#000000',
  },
}

SCSS

$custom: #381b61;
$custom-light: #735a8e;
$custom-dark: #000000;

JSON

{
  "hex": "#381b61",
  "rgb": {
    "r": 56,
    "g": 27,
    "b": 97
  },
  "hsl": {
    "h": 264.857,
    "s": 56.452,
    "l": 24.314
  },
  "oklch": {
    "l": 0.30531,
    "c": 0.11749,
    "h": 298.1
  },
  "luminance": 0.02488
}

Semantic roles & 50–950 ramp

primary

#381B61

secondary

#739741

accent

#E048A1

background

#F7F5F8

surface

#EDE9F0

border

#C8C5CB

text

#08040C

muted

#7B797D

Preview Lab

Preview with #381B61

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

Preview Lab → · Contrast checker → · Palette generator →