#402DA1#402DA1

#402DA1 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.9% C 0.176 H 282.4°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#402DA1
RGB	rgb(64, 45, 161)
HSL	hsl(250, 56%, 40%)
HSV	hsv(250, 72%, 63%)
CMYK	cmyk(60.2%, 72%, 0%, 36.9%)
CIE-LAB	lab(28.22, 41.31, -59.82)
CIE-LCH	lch(28.22, 72.70, 304.63°)
OKLab	oklab(39.91% 0.0378 -0.1724)
OKLCH	oklch(39.91% 0.176 282.4)
XYZ	xyz(9.4838, 5.5393, 34.2808)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#402DA1 #8EA12D

analogous

#2D54A1 #402DA1 #7A2DA1

triadic

#402DA1 #A1402D #2DA140

tetradic

#402DA1 #A12D54 #8EA12D #2DA17A

square

#402DA1 #A12D54 #8EA12D #2DA17A

split-complementary

#402DA1 #A17A2D #54A12D

monochromatic

#1A1241 #2D2071 #402DA1 #5841CA #8271D7

Accessibility & contrast

On white

9.96

#402DA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#402DA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #402DA1

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##402DA1	#FFFFFF	#000000	##FFFFFF
##402DA1	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A4

Deuteranopia (green-blind)

#003E9F

Tritanopia (blue-blind)

#004C64

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #402da1;
/* rgb */ color: rgb(64, 45, 161);
/* oklch */ color: oklch(39.9% 0.176 282.4);

Tailwind

colors: {
  custom: {
    50: '#8068be',
    500: '#402da1',
    950: '#000000',
  },
}

SCSS

$custom: #402da1;
$custom-light: #8068be;
$custom-dark: #000000;

JSON

{
  "hex": "#402da1",
  "rgb": {
    "r": 64,
    "g": 45,
    "b": 161
  },
  "hsl": {
    "h": 249.828,
    "s": 56.311,
    "l": 40.392
  },
  "oklch": {
    "l": 0.39914,
    "c": 0.17645,
    "h": 282.4
  },
  "luminance": 0.0554
}

Semantic roles & 50–950 ramp

primary

#402DA1

secondary

#B1BF6B

accent

#E048C7

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #402DA1

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

Preview Lab → · Contrast checker → · Palette generator →