#402DA3#402DA3

#402DA3 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 40.1% C 0.179 H 282.0°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#402DA3
RGB	rgb(64, 45, 163)
HSL	hsl(250, 57%, 41%)
HSV	hsv(250, 72%, 64%)
CMYK	cmyk(60.7%, 72.4%, 0%, 36.1%)
CIE-LAB	lab(28.41, 41.94, -60.72)
CIE-LCH	lch(28.41, 73.80, 304.63°)
OKLab	oklab(40.11% 0.0374 -0.175)
OKLCH	oklch(40.11% 0.179 282)
XYZ	xyz(9.6615, 5.6104, 35.2170)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.60

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#402DA3 #90A32D

analogous

#2D55A3 #402DA3 #7B2DA3

triadic

#402DA3 #A3402D #2DA340

tetradic

#402DA3 #A32D55 #90A32D #2DA37B

square

#402DA3 #A32D55 #90A32D #2DA37B

split-complementary

#402DA3 #A37B2D #55A32D

monochromatic

#1A1343 #2D2073 #402DA3 #5842CB #8372D8

Accessibility & contrast

On white

9.90

#402DA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#402DA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #402DA3

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##402DA3	#FFFFFF	#000000	##FFFFFF
##402DA3	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A6

Deuteranopia (green-blind)

#003FA1

Tritanopia (blue-blind)

#004D65

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #402da3;
/* rgb */ color: rgb(64, 45, 163);
/* oklch */ color: oklch(40.1% 0.179 282.0);

Tailwind

colors: {
  custom: {
    50: '#8168bf',
    500: '#402da3',
    950: '#000000',
  },
}

SCSS

$custom: #402da3;
$custom-light: #8168bf;
$custom-dark: #000000;

JSON

{
  "hex": "#402da3",
  "rgb": {
    "r": 64,
    "g": 45,
    "b": 163
  },
  "hsl": {
    "h": 249.661,
    "s": 56.731,
    "l": 40.784
  },
  "oklch": {
    "l": 0.40106,
    "c": 0.17894,
    "h": 282
  },
  "luminance": 0.05611
}

Semantic roles & 50–950 ramp

primary

#402DA3

secondary

#B2C06C

accent

#E048C7

background

#F8F6FB

surface

#F0EBF7

border

#CBC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #402DA3

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

Preview Lab → · Contrast checker → · Palette generator →