#402FA4#402FA4

#402FA4 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.5% C 0.178 H 281.5°. Best body text is #FFFFFF at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#402FA4
RGB	rgb(64, 47, 164)
HSL	hsl(249, 55%, 41%)
HSV	hsv(249, 71%, 64%)
CMYK	cmyk(61%, 71.3%, 0%, 35.7%)
CIE-LAB	lab(28.91, 41.12, -60.50)
CIE-LCH	lch(28.91, 73.15, 304.20°)
OKLab	oklab(40.49% 0.0356 -0.1744)
OKLCH	oklch(40.49% 0.178 281.5)
XYZ	xyz(9.8296, 5.8027, 35.7168)
Luminance	0.0580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.26

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#402FA4 #93A42F

analogous

#2F59A4 #402FA4 #7B2FA4

triadic

#402FA4 #A4402F #2FA440

tetradic

#402FA4 #A42F59 #93A42F #2FA47B

square

#402FA4 #A42F59 #93A42F #2FA47B

split-complementary

#402FA4 #A47B2F #59A42F

monochromatic

#1B1445 #2D2174 #402FA4 #5946CA #8476D8

Accessibility & contrast

On white

9.72

#402FA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#402FA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #402FA4

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##402FA4	#FFFFFF	#000000	##FFFFFF
##402FA4	1.00	9.72	2.16	9.72
#FFFFFF	9.72	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A7

Deuteranopia (green-blind)

#0040A2

Tritanopia (blue-blind)

#004F66

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #402fa4;
/* rgb */ color: rgb(64, 47, 164);
/* oklch */ color: oklch(40.5% 0.178 281.5);

Tailwind

colors: {
  custom: {
    50: '#8169c0',
    500: '#402fa4',
    950: '#000000',
  },
}

SCSS

$custom: #402fa4;
$custom-light: #8169c0;
$custom-dark: #000000;

JSON

{
  "hex": "#402fa4",
  "rgb": {
    "r": 64,
    "g": 47,
    "b": 164
  },
  "hsl": {
    "h": 248.718,
    "s": 55.45,
    "l": 41.373
  },
  "oklch": {
    "l": 0.40492,
    "c": 0.17797,
    "h": 281.5
  },
  "luminance": 0.05803
}

Semantic roles & 50–950 ramp

primary

#402FA4

secondary

#B4C06F

accent

#DF49C9

background

#F8F6FB

surface

#F0EBF7

border

#CBC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #402FA4

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

Preview Lab → · Contrast checker → · Palette generator →