#381F7B#381F7B

#381F7B is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.5% C 0.146 H 288.4°. Best body text is #FFFFFF at 12.73:1 contrast (WCAG AA passes).

Color values

HEX	#381F7B
RGB	rgb(56, 31, 123)
HSL	hsl(256, 60%, 30%)
HSV	hsv(256, 75%, 48%)
CMYK	cmyk(54.5%, 74.8%, 0%, 51.8%)
CIE-LAB	lab(21.02, 36.08, -48.06)
CIE-LCH	lch(21.02, 60.09, 306.90°)
OKLab	oklab(33.51% 0.0459 -0.1381)
OKLCH	oklch(33.51% 0.146 288.4)
XYZ	xyz(5.6950, 3.2505, 19.0624)
Luminance	0.0325 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381F7B #627B1F

analogous

#1F347B #381F7B #661F7B

triadic

#381F7B #7B381F #1F7B38

tetradic

#381F7B #7B1F34 #627B1F #1F7B66

square

#381F7B #7B1F34 #627B1F #1F7B66

split-complementary

#381F7B #7B661F #347B1F

monochromatic

#0B0619 #22134A #381F7B #4E2BAC #6A44D0

Accessibility & contrast

On white

12.73

#381F7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#381F7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381F7B

12.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381F7B	#FFFFFF	#000000	##FFFFFF
##381F7B	1.00	12.73	1.65	12.73
#FFFFFF	12.73	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347E

Deuteranopia (green-blind)

#003079

Tritanopia (blue-blind)

#1E384B

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #381f7b;
/* rgb */ color: rgb(56, 31, 123);
/* oklch */ color: oklch(33.5% 0.146 288.4);

Tailwind

colors: {
  custom: {
    50: '#765da2',
    500: '#381f7b',
    950: '#000000',
  },
}

SCSS

$custom: #381f7b;
$custom-light: #765da2;
$custom-dark: #000000;

JSON

{
  "hex": "#381f7b",
  "rgb": {
    "r": 56,
    "g": 31,
    "b": 123
  },
  "hsl": {
    "h": 256.304,
    "s": 59.74,
    "l": 30.196
  },
  "oklch": {
    "l": 0.33508,
    "c": 0.14551,
    "h": 288.4
  },
  "luminance": 0.03251
}

Semantic roles & 50–950 ramp

primary

#381F7B

secondary

#92AE48

accent

#E345B8

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #381F7B

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

Preview Lab → · Contrast checker → · Palette generator →