#403BAA#403BAA

#403BAA is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.9% C 0.172 H 278.3°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#403BAA
RGB	rgb(64, 59, 170)
HSL	hsl(243, 48%, 45%)
HSV	hsv(243, 65%, 67%)
CMYK	cmyk(62.4%, 65.3%, 0%, 33.3%)
CIE-LAB	lab(32.08, 35.93, -58.93)
CIE-LCH	lch(32.08, 69.01, 301.37°)
OKLab	oklab(42.94% 0.0249 -0.1698)
OKLCH	oklch(42.94% 0.172 278.3)
XYZ	xyz(10.9317, 7.1194, 38.8205)
Luminance	0.0712 (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

#403BAA #A5AA3B

analogous

#3B6DAA #403BAA #783BAA

triadic

#403BAA #AA403B #3BAA40

tetradic

#403BAA #AA3B6D #A5AA3B #3BAA78

square

#403BAA #AA3B6D #A5AA3B #3BAA78

split-complementary

#403BAA #AA783B #6DAA3B

monochromatic

#1E1B4F #2F2B7D #403BAA #615CC6 #8D89D6

Accessibility & contrast

On white

8.66

#403BAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#403BAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403BAA

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403BAA	#FFFFFF	#000000	##FFFFFF
##403BAA	1.00	8.66	2.42	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050AE

Deuteranopia (green-blind)

#0047A8

Tritanopia (blue-blind)

#00576D

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #403baa;
/* rgb */ color: rgb(64, 59, 170);
/* oklch */ color: oklch(42.9% 0.172 278.3);

Tailwind

colors: {
  custom: {
    50: '#8171c4',
    500: '#403baa',
    950: '#000000',
  },
}

SCSS

$custom: #403baa;
$custom-light: #8171c4;
$custom-dark: #000000;

JSON

{
  "hex": "#403baa",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 170
  },
  "hsl": {
    "h": 242.703,
    "s": 48.472,
    "l": 44.902
  },
  "oklch": {
    "l": 0.4294,
    "c": 0.17156,
    "h": 278.3
  },
  "luminance": 0.0712
}

Semantic roles & 50–950 ramp

primary

#403BAA

secondary

#BEC080

accent

#D850D2

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #403BAA

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

Preview Lab → · Contrast checker → · Palette generator →