#402FAC#402FAC

#402FAC is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.3% C 0.188 H 280.4°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#402FAC
RGB	rgb(64, 47, 172)
HSL	hsl(248, 57%, 43%)
HSV	hsv(248, 73%, 67%)
CMYK	cmyk(62.8%, 72.7%, 0%, 32.5%)
CIE-LAB	lab(29.67, 43.65, -64.08)
CIE-LCH	lch(29.67, 77.53, 304.26°)
OKLab	oklab(41.26% 0.034 -0.1848)
OKLCH	oklch(41.26% 0.188 280.4)
XYZ	xyz(10.5749, 6.1008, 39.6420)
Luminance	0.0610 (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

#402FAC #9BAC2F

analogous

#2F5CAC #402FAC #7E2FAC

triadic

#402FAC #AC402F #2FAC40

tetradic

#402FAC #AC2F5C #9BAC2F #2FAC7E

square

#402FAC #AC2F5C #9BAC2F #2FAC7E

split-complementary

#402FAC #AC7E2F #5CAC2F

monochromatic

#1C154C #2E227C #402FAC #5C4BCE #887BDB

Accessibility & contrast

On white

9.46

#402FAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#402FAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #402FAC

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##402FAC	#FFFFFF	#000000	##FFFFFF
##402FAC	1.00	9.46	2.22	9.46
#FFFFFF	9.46	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB0

Deuteranopia (green-blind)

#0041AA

Tritanopia (blue-blind)

#00526A

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #402fac;
/* rgb */ color: rgb(64, 47, 172);
/* oklch */ color: oklch(41.3% 0.188 280.4);

Tailwind

colors: {
  custom: {
    50: '#826ac6',
    500: '#402fac',
    950: '#000000',
  },
}

SCSS

$custom: #402fac;
$custom-light: #826ac6;
$custom-dark: #000000;

JSON

{
  "hex": "#402fac",
  "rgb": {
    "r": 64,
    "g": 47,
    "b": 172
  },
  "hsl": {
    "h": 248.16,
    "s": 57.078,
    "l": 42.941
  },
  "oklch": {
    "l": 0.4126,
    "c": 0.18794,
    "h": 280.4
  },
  "luminance": 0.06102
}

Semantic roles & 50–950 ramp

primary

#402FAC

secondary

#B8C374

accent

#E047CC

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #402FAC

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

Preview Lab → · Contrast checker → · Palette generator →