#40277F#40277F

#40277F is a dark, vivid violet. Relative luminance 0.041; OKLCH L 35.9% C 0.140 H 290.6°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#40277F
RGB	rgb(64, 39, 127)
HSL	hsl(257, 53%, 33%)
HSV	hsv(257, 69%, 50%)
CMYK	cmyk(49.6%, 69.3%, 0%, 50.2%)
CIE-LAB	lab(23.91, 34.20, -45.83)
CIE-LCH	lch(23.91, 57.19, 306.73°)
OKLab	oklab(35.89% 0.0494 -0.1313)
OKLCH	oklch(35.89% 0.14 290.6)
XYZ	xyz(6.6696, 4.0731, 20.5093)
Luminance	0.0407 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.68

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40277F #667F27

analogous

#273A7F #40277F #6C277F

triadic

#40277F #7F4027 #277F40

tetradic

#40277F #7F273A #667F27 #277F6C

square

#40277F #7F273A #667F27 #277F6C

split-complementary

#40277F #7F6C27 #3A7F27

monochromatic

#110A21 #281950 #40277F #5835AE #7755CB

Accessibility & contrast

On white

11.57

#40277F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#40277F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40277F

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40277F	#FFFFFF	#000000	##FFFFFF
##40277F	1.00	11.57	1.81	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A82

Deuteranopia (green-blind)

#00377D

Tritanopia (blue-blind)

#2C3D4F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #40277f;
/* rgb */ color: rgb(64, 39, 127);
/* oklch */ color: oklch(35.9% 0.140 290.6);

Tailwind

colors: {
  custom: {
    50: '#7b63a5',
    500: '#40277f',
    950: '#000000',
  },
}

SCSS

$custom: #40277f;
$custom-light: #7b63a5;
$custom-dark: #000000;

JSON

{
  "hex": "#40277f",
  "rgb": {
    "r": 64,
    "g": 39,
    "b": 127
  },
  "hsl": {
    "h": 257.045,
    "s": 53.012,
    "l": 32.549
  },
  "oklch": {
    "l": 0.35891,
    "c": 0.14031,
    "h": 290.6
  },
  "luminance": 0.04073
}

Semantic roles & 50–950 ramp

primary

#40277F

secondary

#95B052

accent

#DC4BB3

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A050F

muted

#7C7A7F

Preview Lab

Preview with #40277F

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

Preview Lab → · Contrast checker → · Palette generator →