#402FAD#402FAD

#402FAD is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.4% C 0.189 H 280.3°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#402FAD
RGB	rgb(64, 47, 173)
HSL	hsl(248, 57%, 43%)
HSV	hsv(248, 73%, 68%)
CMYK	cmyk(63%, 72.8%, 0%, 32.2%)
CIE-LAB	lab(29.76, 43.96, -64.52)
CIE-LCH	lch(29.76, 78.07, 304.27°)
OKLab	oklab(41.36% 0.0338 -0.1861)
OKLCH	oklch(41.36% 0.189 280.3)
XYZ	xyz(10.6713, 6.1393, 40.1497)
Luminance	0.0614 (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

#402FAD #9CAD2F

analogous

#2F5DAD #402FAD #7F2FAD

triadic

#402FAD #AD402F #2FAD40

tetradic

#402FAD #AD2F5D #9CAD2F #2FAD7F

square

#402FAD #AD2F5D #9CAD2F #2FAD7F

split-complementary

#402FAD #AD7F2F #5DAD2F

monochromatic

#1C154D #2E227D #402FAD #5D4BCE #887BDB

Accessibility & contrast

On white

9.43

#402FAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#402FAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #402FAD

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##402FAD	#FFFFFF	#000000	##FFFFFF
##402FAD	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB1

Deuteranopia (green-blind)

#0041AB

Tritanopia (blue-blind)

#00526B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #402fad;
/* rgb */ color: rgb(64, 47, 173);
/* oklch */ color: oklch(41.4% 0.189 280.3);

Tailwind

colors: {
  custom: {
    50: '#826ac7',
    500: '#402fad',
    950: '#000000',
  },
}

SCSS

$custom: #402fad;
$custom-light: #826ac7;
$custom-dark: #000000;

JSON

{
  "hex": "#402fad",
  "rgb": {
    "r": 64,
    "g": 47,
    "b": 173
  },
  "hsl": {
    "h": 248.095,
    "s": 57.273,
    "l": 43.137
  },
  "oklch": {
    "l": 0.41358,
    "c": 0.18917,
    "h": 280.3
  },
  "luminance": 0.0614
}

Semantic roles & 50–950 ramp

primary

#402FAD

secondary

#B9C474

accent

#E147CC

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #402FAD

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

Preview Lab → · Contrast checker → · Palette generator →