#403DAC#403DAC

#403DAC is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.5% C 0.172 H 277.7°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#403DAC
RGB	rgb(64, 61, 172)
HSL	hsl(242, 48%, 46%)
HSV	hsv(242, 65%, 67%)
CMYK	cmyk(62.8%, 64.5%, 0%, 32.5%)
CIE-LAB	lab(32.71, 35.36, -59.09)
CIE-LCH	lch(32.71, 68.86, 300.90°)
OKLab	oklab(43.46% 0.023 -0.1702)
OKLCH	oklch(43.46% 0.172 277.7)
XYZ	xyz(11.2271, 7.4052, 39.8594)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403DAC #A9AC3D

analogous

#3D71AC #403DAC #773DAC

triadic

#403DAC #AC403D #3DAC40

tetradic

#403DAC #AC3D71 #A9AC3D #3DAC77

square

#403DAC #AC3D71 #A9AC3D #3DAC77

split-complementary

#403DAC #AC773D #71AC3D

monochromatic

#1E1D52 #2F2D7F #403DAC #6260C7 #8F8DD7

Accessibility & contrast

On white

8.46

#403DAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#403DAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403DAC

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403DAC	#FFFFFF	#000000	##FFFFFF
##403DAC	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B0

Deuteranopia (green-blind)

#0048AA

Tritanopia (blue-blind)

#00596F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #403dac;
/* rgb */ color: rgb(64, 61, 172);
/* oklch */ color: oklch(43.5% 0.172 277.7);

Tailwind

colors: {
  custom: {
    50: '#8173c6',
    500: '#403dac',
    950: '#000000',
  },
}

SCSS

$custom: #403dac;
$custom-light: #8173c6;
$custom-dark: #000000;

JSON

{
  "hex": "#403dac",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 172
  },
  "hsl": {
    "h": 241.622,
    "s": 47.639,
    "l": 45.686
  },
  "oklch": {
    "l": 0.43455,
    "c": 0.17175,
    "h": 277.7
  },
  "luminance": 0.07406
}

Semantic roles & 50–950 ramp

primary

#403DAC

secondary

#C0C184

accent

#D751D4

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #403DAC

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

Preview Lab → · Contrast checker → · Palette generator →