#402FA8#402FA8

#402FA8 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.9% C 0.183 H 281.0°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#402FA8
RGB	rgb(64, 47, 168)
HSL	hsl(248, 56%, 42%)
HSV	hsv(248, 72%, 66%)
CMYK	cmyk(61.9%, 72%, 0%, 34.1%)
CIE-LAB	lab(29.28, 42.39, -62.30)
CIE-LCH	lch(29.28, 75.35, 304.23°)
OKLab	oklab(40.87% 0.0348 -0.1796)
OKLCH	oklch(40.87% 0.183 281)
XYZ	xyz(10.1965, 5.9494, 37.6492)
Luminance	0.0595 (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

#402FA8 #97A82F

analogous

#2F5AA8 #402FA8 #7D2FA8

triadic

#402FA8 #A8402F #2FA840

tetradic

#402FA8 #A82F5A #97A82F #2FA87D

square

#402FA8 #A82F5A #97A82F #2FA87D

split-complementary

#402FA8 #A87D2F #5AA82F

monochromatic

#1C1448 #2E2278 #402FA8 #5B48CC #8678D9

Accessibility & contrast

On white

9.59

#402FA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#402FA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #402FA8

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##402FA8	#FFFFFF	#000000	##FFFFFF
##402FA8	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049AC

Deuteranopia (green-blind)

#0040A6

Tritanopia (blue-blind)

#005068

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #402fa8;
/* rgb */ color: rgb(64, 47, 168);
/* oklch */ color: oklch(40.9% 0.183 281.0);

Tailwind

colors: {
  custom: {
    50: '#8169c3',
    500: '#402fa8',
    950: '#000000',
  },
}

SCSS

$custom: #402fa8;
$custom-light: #8169c3;
$custom-dark: #000000;

JSON

{
  "hex": "#402fa8",
  "rgb": {
    "r": 64,
    "g": 47,
    "b": 168
  },
  "hsl": {
    "h": 248.43,
    "s": 56.279,
    "l": 42.157
  },
  "oklch": {
    "l": 0.40874,
    "c": 0.18298,
    "h": 281
  },
  "luminance": 0.0595
}

Semantic roles & 50–950 ramp

primary

#402FA8

secondary

#B6C171

accent

#E048CA

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #402FA8

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

Preview Lab → · Contrast checker → · Palette generator →