#40177E#40177E

#40177E is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.7% C 0.158 H 294.2°. Best body text is #FFFFFF at 12.79:1 contrast (WCAG AA passes).

Color values

HEX	#40177E
RGB	rgb(64, 23, 126)
HSL	hsl(264, 69%, 29%)
HSV	hsv(264, 82%, 49%)
CMYK	cmyk(49.2%, 81.7%, 0%, 50.6%)
CIE-LAB	lab(20.86, 42.23, -50.19)
CIE-LCH	lch(20.86, 65.59, 310.08°)
OKLab	oklab(33.71% 0.0647 -0.144)
OKLCH	oklch(33.71% 0.158 294.2)
XYZ	xyz(6.1856, 3.2090, 20.0281)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40177E #557E17

analogous

#17227E #40177E #74177E

triadic

#40177E #7E4017 #177E40

tetradic

#40177E #7E1722 #557E17 #177E74

square

#40177E #7E1722 #557E17 #177E74

split-complementary

#40177E #7E7417 #227E17

monochromatic

#0D051A #260E4A #40177E #5A20B2 #7735DA

Accessibility & contrast

On white

12.79

#40177E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#40177E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40177E

12.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40177E	#FFFFFF	#000000	##FFFFFF
##40177E	1.00	12.79	1.64	12.79
#FFFFFF	12.79	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003381

Deuteranopia (green-blind)

#00307C

Tritanopia (blue-blind)

#2D344B

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #40177e;
/* rgb */ color: rgb(64, 23, 126);
/* oklch */ color: oklch(33.7% 0.158 294.2);

Tailwind

colors: {
  custom: {
    50: '#7c5aa4',
    500: '#40177e',
    950: '#000000',
  },
}

SCSS

$custom: #40177e;
$custom-light: #7c5aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#40177e",
  "rgb": {
    "r": 64,
    "g": 23,
    "b": 126
  },
  "hsl": {
    "h": 263.883,
    "s": 69.128,
    "l": 29.216
  },
  "oklch": {
    "l": 0.33705,
    "c": 0.15785,
    "h": 294.2
  },
  "luminance": 0.03209
}

Semantic roles & 50–950 ramp

primary

#40177E

secondary

#84B33E

accent

#EC3CA6

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #40177E

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

Preview Lab → · Contrast checker → · Palette generator →