#402DA8#402DA8

#402DA8 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.6% C 0.185 H 281.3°. Best body text is #FFFFFF at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#402DA8
RGB	rgb(64, 45, 168)
HSL	hsl(249, 58%, 42%)
HSV	hsv(249, 73%, 66%)
CMYK	cmyk(61.9%, 73.2%, 0%, 34.1%)
CIE-LAB	lab(28.88, 43.50, -62.96)
CIE-LCH	lch(28.88, 76.52, 304.64°)
OKLab	oklab(40.59% 0.0363 -0.1815)
OKLCH	oklch(40.59% 0.185 281.3)
XYZ	xyz(10.1184, 5.7932, 37.6232)
Luminance	0.0579 (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

#402DA8 #95A82D

analogous

#2D58A8 #402DA8 #7E2DA8

triadic

#402DA8 #A8402D #2DA840

tetradic

#402DA8 #A82D58 #95A82D #2DA87E

square

#402DA8 #A82D58 #95A82D #2DA87E

split-complementary

#402DA8 #A87E2D #58A82D

monochromatic

#1B1347 #2E2078 #402DA8 #5A45CD #8575DA

Accessibility & contrast

On white

9.73

#402DA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#402DA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #402DA8

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##402DA8	#FFFFFF	#000000	##FFFFFF
##402DA8	1.00	9.73	2.16	9.73
#FFFFFF	9.73	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AC

Deuteranopia (green-blind)

#0040A6

Tritanopia (blue-blind)

#004F68

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #402da8;
/* rgb */ color: rgb(64, 45, 168);
/* oklch */ color: oklch(40.6% 0.185 281.3);

Tailwind

colors: {
  custom: {
    50: '#8268c3',
    500: '#402da8',
    950: '#000000',
  },
}

SCSS

$custom: #402da8;
$custom-light: #8268c3;
$custom-dark: #000000;

JSON

{
  "hex": "#402da8",
  "rgb": {
    "r": 64,
    "g": 45,
    "b": 168
  },
  "hsl": {
    "h": 249.268,
    "s": 57.746,
    "l": 41.765
  },
  "oklch": {
    "l": 0.40589,
    "c": 0.18514,
    "h": 281.3
  },
  "luminance": 0.05794
}

Semantic roles & 50–950 ramp

primary

#402DA8

secondary

#B5C26F

accent

#E147C9

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #402DA8

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

Preview Lab → · Contrast checker → · Palette generator →