#402DBB#402DBB

#402DBB is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.5% C 0.208 H 278.8°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#402DBB
RGB	rgb(64, 45, 187)
HSL	hsl(248, 61%, 45%)
HSV	hsv(248, 76%, 73%)
CMYK	cmyk(65.8%, 75.9%, 0%, 26.7%)
CIE-LAB	lab(30.77, 49.38, -71.19)
CIE-LCH	lch(30.77, 86.64, 304.75°)
OKLab	oklab(42.49% 0.032 -0.2056)
OKLCH	oklch(42.49% 0.208 278.8)
XYZ	xyz(12.0195, 6.5536, 47.6356)
Luminance	0.0655 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Indigo Blue

#3A18B1

ΔE00 4.20

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#402DBB #A8BB2D

analogous

#2D61BB #402DBB #872DBB

triadic

#402DBB #BB402D #2DBB40

tetradic

#402DBB #BB2D61 #A8BB2D #2DBB87

square

#402DBB #BB2D61 #A8BB2D #2DBB87

split-complementary

#402DBB #BB872D #61BB2D

monochromatic

#1E1558 #2F218A #402DBB #6250D5 #8E82E1

Accessibility & contrast

On white

9.09

#402DBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#402DBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #402DBB

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##402DBB	#FFFFFF	#000000	##FFFFFF
##402DBB	1.00	9.09	2.31	9.09
#FFFFFF	9.09	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBF

Deuteranopia (green-blind)

#0043B8

Tritanopia (blue-blind)

#005672

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #402dbb;
/* rgb */ color: rgb(64, 45, 187);
/* oklch */ color: oklch(42.5% 0.208 278.8);

Tailwind

colors: {
  custom: {
    50: '#8569d1',
    500: '#402dbb',
    950: '#000000',
  },
}

SCSS

$custom: #402dbb;
$custom-light: #8569d1;
$custom-dark: #000000;

JSON

{
  "hex": "#402dbb",
  "rgb": {
    "r": 64,
    "g": 45,
    "b": 187
  },
  "hsl": {
    "h": 248.028,
    "s": 61.207,
    "l": 45.49
  },
  "oklch": {
    "l": 0.42486,
    "c": 0.20806,
    "h": 278.8
  },
  "luminance": 0.06555
}

Semantic roles & 50–950 ramp

primary

#402DBB

secondary

#BFCA7A

accent

#E443CF

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0D0614

muted

#7D7A83

Preview Lab

Preview with #402DBB

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

Preview Lab → · Contrast checker → · Palette generator →