#381F7D#381F7D

#381F7D is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.7% C 0.148 H 287.9°. Best body text is #FFFFFF at 12.65:1 contrast (WCAG AA passes).

Color values

HEX	#381F7D
RGB	rgb(56, 31, 125)
HSL	hsl(256, 60%, 31%)
HSV	hsv(256, 75%, 49%)
CMYK	cmyk(55.2%, 75.2%, 0%, 51%)
CIE-LAB	lab(21.21, 36.70, -49.01)
CIE-LCH	lch(21.21, 61.23, 306.82°)
OKLab	oklab(33.7% 0.0454 -0.1409)
OKLCH	oklch(33.7% 0.148 287.9)
XYZ	xyz(5.8215, 3.3011, 19.7285)
Luminance	0.0330 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381F7D #647D1F

analogous

#1F357D #381F7D #671F7D

triadic

#381F7D #7D381F #1F7D38

tetradic

#381F7D #7D1F35 #647D1F #1F7D67

square

#381F7D #7D1F35 #647D1F #1F7D67

split-complementary

#381F7D #7D671F #357D1F

monochromatic

#0C071B #22134C #381F7D #4E2BAE #6B45D1

Accessibility & contrast

On white

12.65

#381F7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#381F7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381F7D

12.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381F7D	#FFFFFF	#000000	##FFFFFF
##381F7D	1.00	12.65	1.66	12.65
#FFFFFF	12.65	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003580

Deuteranopia (green-blind)

#00307B

Tritanopia (blue-blind)

#1C384C

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #381f7d;
/* rgb */ color: rgb(56, 31, 125);
/* oklch */ color: oklch(33.7% 0.148 287.9);

Tailwind

colors: {
  custom: {
    50: '#775da4',
    500: '#381f7d',
    950: '#000000',
  },
}

SCSS

$custom: #381f7d;
$custom-light: #775da4;
$custom-dark: #000000;

JSON

{
  "hex": "#381f7d",
  "rgb": {
    "r": 56,
    "g": 31,
    "b": 125
  },
  "hsl": {
    "h": 255.957,
    "s": 60.256,
    "l": 30.588
  },
  "oklch": {
    "l": 0.33702,
    "c": 0.14804,
    "h": 287.9
  },
  "luminance": 0.03301
}

Semantic roles & 50–950 ramp

primary

#381F7D

secondary

#94B048

accent

#E344B9

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #381F7D

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

Preview Lab → · Contrast checker → · Palette generator →