#402FB5#402FB5

#402FB5 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 42.1% C 0.199 H 279.3°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#402FB5
RGB	rgb(64, 47, 181)
HSL	hsl(248, 59%, 45%)
HSV	hsv(248, 74%, 71%)
CMYK	cmyk(64.6%, 74%, 0%, 29%)
CIE-LAB	lab(30.54, 46.47, -68.01)
CIE-LCH	lch(30.54, 82.37, 304.34°)
OKLab	oklab(42.15% 0.0321 -0.1963)
OKLCH	oklch(42.15% 0.199 279.3)
XYZ	xyz(11.4687, 6.4583, 44.3493)
Luminance	0.0646 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Indigo Blue

#3A18B1

ΔE00 4.39

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#402FB5 #A4B52F

analogous

#2F61B5 #402FB5 #832FB5

triadic

#402FB5 #B5402F #2FB540

tetradic

#402FB5 #B52F61 #A4B52F #2FB583

square

#402FB5 #B52F61 #A4B52F #2FB583

split-complementary

#402FB5 #B5832F #61B52F

monochromatic

#1E1654 #2F2284 #402FB5 #6050D1 #8C80DE

Accessibility & contrast

On white

9.16

#402FB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#402FB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #402FB5

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##402FB5	#FFFFFF	#000000	##FFFFFF
##402FB5	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB9

Deuteranopia (green-blind)

#0043B3

Tritanopia (blue-blind)

#00556F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #402fb5;
/* rgb */ color: rgb(64, 47, 181);
/* oklch */ color: oklch(42.1% 0.199 279.3);

Tailwind

colors: {
  custom: {
    50: '#846acc',
    500: '#402fb5',
    950: '#000000',
  },
}

SCSS

$custom: #402fb5;
$custom-light: #846acc;
$custom-dark: #000000;

JSON

{
  "hex": "#402fb5",
  "rgb": {
    "r": 64,
    "g": 47,
    "b": 181
  },
  "hsl": {
    "h": 247.612,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.42145,
    "c": 0.19893,
    "h": 279.3
  },
  "luminance": 0.06459
}

Semantic roles & 50–950 ramp

primary

#402FB5

secondary

#BDC779

accent

#E246CE

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #402FB5

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

Preview Lab → · Contrast checker → · Palette generator →