#402DB9#402DB9

#402DB9 is a dark, highly saturated blue. Relative luminance 0.065; OKLCH L 42.3% C 0.206 H 279.1°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#402DB9
RGB	rgb(64, 45, 185)
HSL	hsl(248, 61%, 45%)
HSV	hsv(248, 76%, 73%)
CMYK	cmyk(65.4%, 75.7%, 0%, 27.5%)
CIE-LAB	lab(30.57, 48.77, -70.34)
CIE-LCH	lch(30.57, 85.60, 304.73°)
OKLab	oklab(42.28% 0.0324 -0.2031)
OKLCH	oklch(42.28% 0.206 279.1)
XYZ	xyz(11.8069, 6.4686, 46.5159)
Luminance	0.0647 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Indigo Blue

#3A18B1

ΔE00 4.10

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#402DB9 #A6B92D

analogous

#2D60B9 #402DB9 #862DB9

triadic

#402DB9 #B9402D #2DB940

tetradic

#402DB9 #B92D60 #A6B92D #2DB986

square

#402DB9 #B92D60 #A6B92D #2DB986

split-complementary

#402DB9 #B9862D #60B92D

monochromatic

#1E1557 #2F2188 #402DB9 #614FD4 #8D80E0

Accessibility & contrast

On white

9.15

#402DB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#402DB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #402DB9

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##402DB9	#FFFFFF	#000000	##FFFFFF
##402DB9	1.00	9.15	2.29	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DBD

Deuteranopia (green-blind)

#0042B6

Tritanopia (blue-blind)

#005671

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #402db9;
/* rgb */ color: rgb(64, 45, 185);
/* oklch */ color: oklch(42.3% 0.206 279.1);

Tailwind

colors: {
  custom: {
    50: '#8569cf',
    500: '#402db9',
    950: '#000000',
  },
}

SCSS

$custom: #402db9;
$custom-light: #8569cf;
$custom-dark: #000000;

JSON

{
  "hex": "#402db9",
  "rgb": {
    "r": 64,
    "g": 45,
    "b": 185
  },
  "hsl": {
    "h": 248.143,
    "s": 60.87,
    "l": 45.098
  },
  "oklch": {
    "l": 0.42283,
    "c": 0.20568,
    "h": 279.1
  },
  "luminance": 0.0647
}

Semantic roles & 50–950 ramp

primary

#402DB9

secondary

#BEC979

accent

#E444CE

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #402DB9

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

Preview Lab → · Contrast checker → · Palette generator →