#402FB3#402FB3

#402FB3 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.9% C 0.197 H 279.5°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#402FB3
RGB	rgb(64, 47, 179)
HSL	hsl(248, 58%, 44%)
HSV	hsv(248, 74%, 70%)
CMYK	cmyk(64.2%, 73.7%, 0%, 29.8%)
CIE-LAB	lab(30.34, 45.85, -67.15)
CIE-LCH	lch(30.34, 81.30, 304.32°)
OKLab	oklab(41.95% 0.0326 -0.1938)
OKLCH	oklch(41.95% 0.197 279.5)
XYZ	xyz(11.2650, 6.3768, 43.2763)
Luminance	0.0638 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Indigo Blue

#3A18B1

ΔE00 4.35

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#402FB3 #A2B32F

analogous

#2F60B3 #402FB3 #822FB3

triadic

#402FB3 #B3402F #2FB340

tetradic

#402FB3 #B32F60 #A2B32F #2FB382

square

#402FB3 #B32F60 #A2B32F #2FB382

split-complementary

#402FB3 #B3822F #60B32F

monochromatic

#1D1652 #2F2283 #402FB3 #5F4FD1 #8B7FDD

Accessibility & contrast

On white

9.23

#402FB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#402FB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #402FB3

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##402FB3	#FFFFFF	#000000	##FFFFFF
##402FB3	1.00	9.23	2.28	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB7

Deuteranopia (green-blind)

#0042B1

Tritanopia (blue-blind)

#00546E

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #402fb3;
/* rgb */ color: rgb(64, 47, 179);
/* oklch */ color: oklch(41.9% 0.197 279.5);

Tailwind

colors: {
  custom: {
    50: '#846acb',
    500: '#402fb3',
    950: '#000000',
  },
}

SCSS

$custom: #402fb3;
$custom-light: #846acb;
$custom-dark: #000000;

JSON

{
  "hex": "#402fb3",
  "rgb": {
    "r": 64,
    "g": 47,
    "b": 179
  },
  "hsl": {
    "h": 247.727,
    "s": 58.407,
    "l": 44.314
  },
  "oklch": {
    "l": 0.41947,
    "c": 0.19651,
    "h": 279.5
  },
  "luminance": 0.06378
}

Semantic roles & 50–950 ramp

primary

#402FB3

secondary

#BCC678

accent

#E246CE

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #402FB3

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

Preview Lab → · Contrast checker → · Palette generator →