#402FB4#402FB4

#402FB4 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 42.0% C 0.198 H 279.4°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#402FB4
RGB	rgb(64, 47, 180)
HSL	hsl(248, 59%, 45%)
HSV	hsv(248, 74%, 71%)
CMYK	cmyk(64.4%, 73.9%, 0%, 29.4%)
CIE-LAB	lab(30.44, 46.16, -67.58)
CIE-LCH	lch(30.44, 81.84, 304.33°)
OKLab	oklab(42.05% 0.0323 -0.1951)
OKLCH	oklch(42.05% 0.198 279.4)
XYZ	xyz(11.3665, 6.4174, 43.8109)
Luminance	0.0642 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Indigo Blue

#3A18B1

ΔE00 4.37

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#402FB4 #A3B42F

analogous

#2F61B4 #402FB4 #832FB4

triadic

#402FB4 #B4402F #2FB440

tetradic

#402FB4 #B42F61 #A3B42F #2FB483

square

#402FB4 #B42F61 #A3B42F #2FB483

split-complementary

#402FB4 #B4832F #61B42F

monochromatic

#1D1653 #2F2283 #402FB4 #604FD1 #8C80DE

Accessibility & contrast

On white

9.20

#402FB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#402FB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #402FB4

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##402FB4	#FFFFFF	#000000	##FFFFFF
##402FB4	1.00	9.20	2.28	9.20
#FFFFFF	9.20	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB8

Deuteranopia (green-blind)

#0042B2

Tritanopia (blue-blind)

#00556F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #402fb4;
/* rgb */ color: rgb(64, 47, 180);
/* oklch */ color: oklch(42.0% 0.198 279.4);

Tailwind

colors: {
  custom: {
    50: '#846acc',
    500: '#402fb4',
    950: '#000000',
  },
}

SCSS

$custom: #402fb4;
$custom-light: #846acc;
$custom-dark: #000000;

JSON

{
  "hex": "#402fb4",
  "rgb": {
    "r": 64,
    "g": 47,
    "b": 180
  },
  "hsl": {
    "h": 247.669,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.42046,
    "c": 0.19772,
    "h": 279.4
  },
  "luminance": 0.06418
}

Semantic roles & 50–950 ramp

primary

#402FB4

secondary

#BDC778

accent

#E246CE

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #402FB4

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

Preview Lab → · Contrast checker → · Palette generator →