#402F99#402F99

#402F99 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.5% C 0.164 H 283.2°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#402F99
RGB	rgb(64, 47, 153)
HSL	hsl(250, 53%, 39%)
HSV	hsv(250, 69%, 60%)
CMYK	cmyk(58.2%, 69.3%, 0%, 40%)
CIE-LAB	lab(27.91, 37.62, -55.46)
CIE-LCH	lch(27.91, 67.02, 304.15°)
OKLab	oklab(39.47% 0.0375 -0.1596)
OKLCH	oklch(39.47% 0.164 283.2)
XYZ	xyz(8.8789, 5.4224, 30.7096)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#402F99 #88992F

analogous

#2F5399 #402F99 #752F99

triadic

#402F99 #99402F #2F9940

tetradic

#402F99 #992F53 #88992F #2F9975

square

#402F99 #992F53 #88992F #2F9975

split-complementary

#402F99 #99752F #53992F

monochromatic

#19123B #2C216A #402F99 #5641C5 #7F6FD3

Accessibility & contrast

On white

10.07

#402F99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#402F99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #402F99

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##402F99	#FFFFFF	#000000	##FFFFFF
##402F99	1.00	10.07	2.08	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459C

Deuteranopia (green-blind)

#003E97

Tritanopia (blue-blind)

#104B60

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #402f99;
/* rgb */ color: rgb(64, 47, 153);
/* oklch */ color: oklch(39.5% 0.164 283.2);

Tailwind

colors: {
  custom: {
    50: '#7f69b8',
    500: '#402f99',
    950: '#000000',
  },
}

SCSS

$custom: #402f99;
$custom-light: #7f69b8;
$custom-dark: #000000;

JSON

{
  "hex": "#402f99",
  "rgb": {
    "r": 64,
    "g": 47,
    "b": 153
  },
  "hsl": {
    "h": 249.623,
    "s": 53,
    "l": 39.216
  },
  "oklch": {
    "l": 0.39465,
    "c": 0.16394,
    "h": 283.2
  },
  "luminance": 0.05423
}

Semantic roles & 50–950 ramp

primary

#402F99

secondary

#ADBA69

accent

#DC4BC5

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0611

muted

#7C7A80

Preview Lab

Preview with #402F99

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

Preview Lab → · Contrast checker → · Palette generator →