#381F7F#381F7F

#381F7F is a dark, vivid violet. Relative luminance 0.034; OKLCH L 33.9% C 0.151 H 287.3°. Best body text is #FFFFFF at 12.57:1 contrast (WCAG AA passes).

Color values

HEX	#381F7F
RGB	rgb(56, 31, 127)
HSL	hsl(256, 61%, 31%)
HSV	hsv(256, 76%, 50%)
CMYK	cmyk(55.9%, 75.6%, 0%, 50.2%)
CIE-LAB	lab(21.40, 37.31, -49.97)
CIE-LCH	lch(21.40, 62.36, 306.75°)
OKLab	oklab(33.9% 0.0449 -0.1437)
OKLCH	oklch(33.9% 0.151 287.3)
XYZ	xyz(5.9505, 3.3527, 20.4082)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.02

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381F7F #667F1F

analogous

#1F367F #381F7F #681F7F

triadic

#381F7F #7F381F #1F7F38

tetradic

#381F7F #7F1F36 #667F1F #1F7F68

square

#381F7F #7F1F36 #667F1F #1F7F68

split-complementary

#381F7F #7F681F #367F1F

monochromatic

#0D071D #22134E #381F7F #4E2BB0 #6B46D2

Accessibility & contrast

On white

12.57

#381F7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#381F7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381F7F

12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381F7F	#FFFFFF	#000000	##FFFFFF
##381F7F	1.00	12.57	1.67	12.57
#FFFFFF	12.57	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003682

Deuteranopia (green-blind)

#00317D

Tritanopia (blue-blind)

#1B394D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #381f7f;
/* rgb */ color: rgb(56, 31, 127);
/* oklch */ color: oklch(33.9% 0.151 287.3);

Tailwind

colors: {
  custom: {
    50: '#775da5',
    500: '#381f7f',
    950: '#000000',
  },
}

SCSS

$custom: #381f7f;
$custom-light: #775da5;
$custom-dark: #000000;

JSON

{
  "hex": "#381f7f",
  "rgb": {
    "r": 56,
    "g": 31,
    "b": 127
  },
  "hsl": {
    "h": 255.625,
    "s": 60.759,
    "l": 30.98
  },
  "oklch": {
    "l": 0.33898,
    "c": 0.15055,
    "h": 287.3
  },
  "luminance": 0.03353
}

Semantic roles & 50–950 ramp

primary

#381F7F

secondary

#96B248

accent

#E444BA

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #381F7F

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

Preview Lab → · Contrast checker → · Palette generator →