#381B90#381B90

#381B90 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 35.1% C 0.175 H 284.2°. Best body text is #FFFFFF at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#381B90
RGB	rgb(56, 27, 144)
HSL	hsl(255, 68%, 34%)
HSV	hsv(255, 81%, 56%)
CMYK	cmyk(61.1%, 81.3%, 0%, 43.5%)
CIE-LAB	lab(22.44, 44.46, -58.93)
CIE-LCH	lch(22.44, 73.82, 307.03°)
OKLab	oklab(35.14% 0.0429 -0.1699)
OKLCH	oklch(35.14% 0.175 284.2)
XYZ	xyz(7.0553, 3.6378, 26.7105)
Luminance	0.0364 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381B90 #73901B

analogous

#1B3890 #381B90 #721B90

triadic

#381B90 #90381B #1B9038

tetradic

#381B90 #901B38 #73901B #1B9072

square

#381B90 #901B38 #73901B #1B9072

split-complementary

#381B90 #90721B #38901B

monochromatic

#100829 #24115C #381B90 #4C25C4 #6D49DD

Accessibility & contrast

On white

12.16

#381B90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#381B90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381B90

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381B90	#FFFFFF	#000000	##FFFFFF
##381B90	1.00	12.16	1.73	12.16
#FFFFFF	12.16	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003993

Deuteranopia (green-blind)

#00328E

Tritanopia (blue-blind)

#003E56

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #381b90;
/* rgb */ color: rgb(56, 27, 144);
/* oklch */ color: oklch(35.1% 0.175 284.2);

Tailwind

colors: {
  custom: {
    50: '#7b5cb2',
    500: '#381b90',
    950: '#000000',
  },
}

SCSS

$custom: #381b90;
$custom-light: #7b5cb2;
$custom-dark: #000000;

JSON

{
  "hex": "#381b90",
  "rgb": {
    "r": 56,
    "g": 27,
    "b": 144
  },
  "hsl": {
    "h": 254.872,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.35145,
    "c": 0.17521,
    "h": 284.2
  },
  "luminance": 0.03638
}

Semantic roles & 50–950 ramp

primary

#381B90

secondary

#A1BF48

accent

#EB3DC0

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #381B90

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

Preview Lab → · Contrast checker → · Palette generator →