#381F7E#381F7E

#381F7E is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.8% C 0.149 H 287.6°. Best body text is #FFFFFF at 12.61:1 contrast (WCAG AA passes).

Color values

HEX	#381F7E
RGB	rgb(56, 31, 126)
HSL	hsl(256, 61%, 31%)
HSV	hsv(256, 75%, 49%)
CMYK	cmyk(55.6%, 75.4%, 0%, 50.6%)
CIE-LAB	lab(21.31, 37.00, -49.49)
CIE-LCH	lch(21.31, 61.80, 306.78°)
OKLab	oklab(33.8% 0.0451 -0.1423)
OKLCH	oklch(33.8% 0.149 287.6)
XYZ	xyz(5.8857, 3.3268, 20.0666)
Luminance	0.0333 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381F7E #657E1F

analogous

#1F367E #381F7E #671F7E

triadic

#381F7E #7E381F #1F7E38

tetradic

#381F7E #7E1F36 #657E1F #1F7E67

square

#381F7E #7E1F36 #657E1F #1F7E67

split-complementary

#381F7E #7E671F #367E1F

monochromatic

#0C071C #22134D #381F7E #4E2BAF #6B46D1

Accessibility & contrast

On white

12.61

#381F7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#381F7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381F7E

12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381F7E	#FFFFFF	#000000	##FFFFFF
##381F7E	1.00	12.61	1.67	12.61
#FFFFFF	12.61	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003581

Deuteranopia (green-blind)

#00317C

Tritanopia (blue-blind)

#1C394C

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #381f7e;
/* rgb */ color: rgb(56, 31, 126);
/* oklch */ color: oklch(33.8% 0.149 287.6);

Tailwind

colors: {
  custom: {
    50: '#775da4',
    500: '#381f7e',
    950: '#000000',
  },
}

SCSS

$custom: #381f7e;
$custom-light: #775da4;
$custom-dark: #000000;

JSON

{
  "hex": "#381f7e",
  "rgb": {
    "r": 56,
    "g": 31,
    "b": 126
  },
  "hsl": {
    "h": 255.789,
    "s": 60.51,
    "l": 30.784
  },
  "oklch": {
    "l": 0.338,
    "c": 0.1493,
    "h": 287.6
  },
  "luminance": 0.03327
}

Semantic roles & 50–950 ramp

primary

#381F7E

secondary

#95B148

accent

#E444BA

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #381F7E

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

Preview Lab → · Contrast checker → · Palette generator →