#40188E#40188E

#40188E is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.4% C 0.175 H 289.5°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#40188E
RGB	rgb(64, 24, 142)
HSL	hsl(260, 71%, 33%)
HSV	hsv(260, 83%, 56%)
CMYK	cmyk(54.9%, 83.1%, 0%, 44.3%)
CIE-LAB	lab(22.64, 46.20, -57.32)
CIE-LCH	lch(22.64, 73.62, 308.87°)
OKLab	oklab(35.43% 0.0584 -0.1649)
OKLCH	oklch(35.43% 0.175 289.5)
XYZ	xyz(7.3220, 3.6959, 25.9135)
Luminance	0.0370 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40188E #668E18

analogous

#182B8E #40188E #7B188E

triadic

#40188E #8E4018 #188E40

tetradic

#40188E #8E182B #668E18 #188E7B

square

#40188E #8E182B #668E18 #188E7B

split-complementary

#40188E #8E7B18 #2B8E18

monochromatic

#110625 #280F5A #40188E #5821C2 #7741DF

Accessibility & contrast

On white

12.07

#40188E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#40188E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40188E

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40188E	#FFFFFF	#000000	##FFFFFF
##40188E	1.00	12.07	1.74	12.07
#FFFFFF	12.07	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003891

Deuteranopia (green-blind)

#00338C

Tritanopia (blue-blind)

#213B54

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #40188e;
/* rgb */ color: rgb(64, 24, 142);
/* oklch */ color: oklch(35.4% 0.175 289.5);

Tailwind

colors: {
  custom: {
    50: '#7f5bb0',
    500: '#40188e',
    950: '#000000',
  },
}

SCSS

$custom: #40188e;
$custom-light: #7f5bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#40188e",
  "rgb": {
    "r": 64,
    "g": 24,
    "b": 142
  },
  "hsl": {
    "h": 260.339,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.35428,
    "c": 0.17492,
    "h": 289.5
  },
  "luminance": 0.03696
}

Semantic roles & 50–950 ramp

primary

#40188E

secondary

#95C042

accent

#EE3AB1

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0411

muted

#7C7980

Preview Lab

Preview with #40188E

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

Preview Lab → · Contrast checker → · Palette generator →