#40277E#40277E

#40277E is a dark, vivid violet. Relative luminance 0.040; OKLCH L 35.8% C 0.139 H 290.9°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#40277E
RGB	rgb(64, 39, 126)
HSL	hsl(257, 53%, 32%)
HSV	hsv(257, 69%, 49%)
CMYK	cmyk(49.2%, 69%, 0%, 50.6%)
CIE-LAB	lab(23.83, 33.90, -45.34)
CIE-LCH	lch(23.83, 56.61, 306.78°)
OKLab	oklab(35.8% 0.0496 -0.1299)
OKLCH	oklch(35.8% 0.139 290.9)
XYZ	xyz(6.6047, 4.0471, 20.1678)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.63

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40277E #657E27

analogous

#273A7E #40277E #6B277E

triadic

#40277E #7E4027 #277E40

tetradic

#40277E #7E273A #657E27 #277E6B

square

#40277E #7E273A #657E27 #277E6B

split-complementary

#40277E #7E6B27 #3A7E27

monochromatic

#110A21 #28194F #40277E #5835AD #7755CA

Accessibility & contrast

On white

11.61

#40277E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#40277E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40277E

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40277E	#FFFFFF	#000000	##FFFFFF
##40277E	1.00	11.61	1.81	11.61
#FFFFFF	11.61	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A81

Deuteranopia (green-blind)

#00377C

Tritanopia (blue-blind)

#2C3C4F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #40277e;
/* rgb */ color: rgb(64, 39, 126);
/* oklch */ color: oklch(35.8% 0.139 290.9);

Tailwind

colors: {
  custom: {
    50: '#7b63a4',
    500: '#40277e',
    950: '#000000',
  },
}

SCSS

$custom: #40277e;
$custom-light: #7b63a4;
$custom-dark: #000000;

JSON

{
  "hex": "#40277e",
  "rgb": {
    "r": 64,
    "g": 39,
    "b": 126
  },
  "hsl": {
    "h": 257.241,
    "s": 52.727,
    "l": 32.353
  },
  "oklch": {
    "l": 0.35803,
    "c": 0.13901,
    "h": 290.9
  },
  "luminance": 0.04047
}

Semantic roles & 50–950 ramp

primary

#40277E

secondary

#94AF52

accent

#DC4CB3

background

#F7F5FA

surface

#EEEAF4

border

#C9C6CE

text

#0A050F

muted

#7C797F

Preview Lab

Preview with #40277E

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

Preview Lab → · Contrast checker → · Palette generator →