#402CBB#402CBB

#402CBB is a dark, highly saturated blue. Relative luminance 0.065; OKLCH L 42.4% C 0.209 H 279.0°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#402CBB
RGB	rgb(64, 44, 187)
HSL	hsl(248, 62%, 45%)
HSV	hsv(248, 76%, 73%)
CMYK	cmyk(65.8%, 76.5%, 0%, 26.7%)
CIE-LAB	lab(30.59, 49.89, -71.49)
CIE-LCH	lch(30.59, 87.18, 304.91°)
OKLab	oklab(42.36% 0.0325 -0.2064)
OKLCH	oklch(42.36% 0.209 279)
XYZ	xyz(11.9818, 6.4782, 47.6231)
Luminance	0.0648 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Indigo Blue

#3A18B1

ΔE00 4.00

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#402CBB #A7BB2C

analogous

#2C5FBB #402CBB #882CBB

triadic

#402CBB #BB402C #2CBB40

tetradic

#402CBB #BB2C5F #A7BB2C #2CBB88

square

#402CBB #BB2C5F #A7BB2C #2CBB88

split-complementary

#402CBB #BB882C #5FBB2C

monochromatic

#1E1558 #2F2089 #402CBB #624FD6 #8E80E1

Accessibility & contrast

On white

9.15

#402CBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#402CBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #402CBB

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##402CBB	#FFFFFF	#000000	##FFFFFF
##402CBB	1.00	9.15	2.30	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DBF

Deuteranopia (green-blind)

#0042B8

Tritanopia (blue-blind)

#005672

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #402cbb;
/* rgb */ color: rgb(64, 44, 187);
/* oklch */ color: oklch(42.4% 0.209 279.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#402cbb",
  "rgb": {
    "r": 64,
    "g": 44,
    "b": 187
  },
  "hsl": {
    "h": 248.392,
    "s": 61.905,
    "l": 45.294
  },
  "oklch": {
    "l": 0.4236,
    "c": 0.209,
    "h": 279
  },
  "luminance": 0.06479
}

Semantic roles & 50–950 ramp

primary

#402CBB

secondary

#BFCA79

accent

#E543CE

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0D0614

muted

#7D7A83

Preview Lab

Preview with #402CBB

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

Preview Lab → · Contrast checker → · Palette generator →