#401B63#401B63

#401B63 is a dark, vivid violet. Relative luminance 0.028; OKLCH L 31.7% C 0.122 H 303.7°. Best body text is #FFFFFF at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#401B63
RGB	rgb(64, 27, 99)
HSL	hsl(271, 57%, 25%)
HSV	hsv(271, 73%, 39%)
CMYK	cmyk(35.4%, 72.7%, 0%, 61.2%)
CIE-LAB	lab(19.12, 32.90, -35.57)
CIE-LCH	lch(19.12, 48.46, 312.77°)
OKLab	oklab(31.72% 0.0675 -0.1011)
OKLCH	oklch(31.72% 0.122 303.7)
XYZ	xyz(4.7579, 2.7747, 12.0869)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#401B63 #3E631B

analogous

#1C1B63 #401B63 #631B62

triadic

#401B63 #63401B #1B6340

tetradic

#401B63 #631C1B #3E631B #1B6263

square

#401B63 #631C1B #3E631B #1B6263

split-complementary

#401B63 #62631B #1B631C

monochromatic

#100718 #210E33 #401B63 #5F2893 #7E35C3

Accessibility & contrast

On white

13.50

#401B63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#401B63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #401B63

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##401B63	#FFFFFF	#000000	##FFFFFF
##401B63	1.00	13.50	1.56	13.50
#FFFFFF	13.50	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E65

Deuteranopia (green-blind)

#002E61

Tritanopia (blue-blind)

#392B3C

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #401b63;
/* rgb */ color: rgb(64, 27, 99);
/* oklch */ color: oklch(31.7% 0.122 303.7);

Tailwind

colors: {
  custom: {
    50: '#785a90',
    500: '#401b63',
    950: '#000000',
  },
}

SCSS

$custom: #401b63;
$custom-light: #785a90;
$custom-dark: #000000;

JSON

{
  "hex": "#401b63",
  "rgb": {
    "r": 64,
    "g": 27,
    "b": 99
  },
  "hsl": {
    "h": 270.833,
    "s": 57.143,
    "l": 24.706
  },
  "oklch": {
    "l": 0.31723,
    "c": 0.12154,
    "h": 303.7
  },
  "luminance": 0.02775
}

Semantic roles & 50–950 ramp

primary

#401B63

secondary

#6C9841

accent

#E04792

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#09040C

muted

#7B797D

Preview Lab

Preview with #401B63

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

Preview Lab → · Contrast checker → · Palette generator →