#402FB9#402FB9

#402FB9 is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.5% C 0.204 H 278.8°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#402FB9
RGB	rgb(64, 47, 185)
HSL	hsl(247, 59%, 45%)
HSV	hsv(247, 75%, 73%)
CMYK	cmyk(65.4%, 74.6%, 0%, 27.5%)
CIE-LAB	lab(30.94, 47.71, -69.73)
CIE-LCH	lch(30.94, 84.49, 304.38°)
OKLab	oklab(42.55% 0.0312 -0.2013)
OKLCH	oklch(42.55% 0.204 278.8)
XYZ	xyz(11.8850, 6.6248, 46.5419)
Luminance	0.0663 (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

#402FB9 #A8B92F

analogous

#2F63B9 #402FB9 #852FB9

triadic

#402FB9 #B9402F #2FB940

tetradic

#402FB9 #B92F63 #A8B92F #2FB985

square

#402FB9 #B92F63 #A8B92F #2FB985

split-complementary

#402FB9 #B9852F #63B92F

monochromatic

#1E1657 #2F2388 #402FB9 #6252D3 #8E83DF

Accessibility & contrast

On white

9.03

#402FB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#402FB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #402FB9

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##402FB9	#FFFFFF	#000000	##FFFFFF
##402FB9	1.00	9.03	2.33	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBD

Deuteranopia (green-blind)

#0043B7

Tritanopia (blue-blind)

#005672

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #402fb9;
/* rgb */ color: rgb(64, 47, 185);
/* oklch */ color: oklch(42.5% 0.204 278.8);

Tailwind

colors: {
  custom: {
    50: '#856acf',
    500: '#402fb9',
    950: '#000000',
  },
}

SCSS

$custom: #402fb9;
$custom-light: #856acf;
$custom-dark: #000000;

JSON

{
  "hex": "#402fb9",
  "rgb": {
    "r": 64,
    "g": 47,
    "b": 185
  },
  "hsl": {
    "h": 247.391,
    "s": 59.483,
    "l": 45.49
  },
  "oklch": {
    "l": 0.42545,
    "c": 0.20375,
    "h": 278.8
  },
  "luminance": 0.06626
}

Semantic roles & 50–950 ramp

primary

#402FB9

secondary

#BFC97B

accent

#E345CF

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #402FB9

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

Preview Lab → · Contrast checker → · Palette generator →