#403EAC#403EAC

#403EAC is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.6% C 0.171 H 277.5°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#403EAC
RGB	rgb(64, 62, 172)
HSL	hsl(241, 47%, 46%)
HSV	hsv(241, 64%, 67%)
CMYK	cmyk(62.8%, 64%, 0%, 32.5%)
CIE-LAB	lab(32.95, 34.74, -58.70)
CIE-LCH	lch(32.95, 68.21, 300.62°)
OKLab	oklab(43.63% 0.0221 -0.1691)
OKLCH	oklch(43.63% 0.171 277.5)
XYZ	xyz(11.2810, 7.5129, 39.8774)
Luminance	0.0751 (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

#403EAC #AAAC3E

analogous

#3E73AC #403EAC #773EAC

triadic

#403EAC #AC403E #3EAC40

tetradic

#403EAC #AC3E73 #AAAC3E #3EAC77

square

#403EAC #AC3E73 #AAAC3E #3EAC77

split-complementary

#403EAC #AC773E #73AC3E

monochromatic

#1F1E52 #2F2E7F #403EAC #6361C6 #8F8ED6

Accessibility & contrast

On white

8.39

#403EAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#403EAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403EAC

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403EAC	#FFFFFF	#000000	##FFFFFF
##403EAC	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B0

Deuteranopia (green-blind)

#0049AA

Tritanopia (blue-blind)

#005A6F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #403eac;
/* rgb */ color: rgb(64, 62, 172);
/* oklch */ color: oklch(43.6% 0.171 277.5);

Tailwind

colors: {
  custom: {
    50: '#8174c6',
    500: '#403eac',
    950: '#000000',
  },
}

SCSS

$custom: #403eac;
$custom-light: #8174c6;
$custom-dark: #000000;

JSON

{
  "hex": "#403eac",
  "rgb": {
    "r": 64,
    "g": 62,
    "b": 172
  },
  "hsl": {
    "h": 241.091,
    "s": 47.009,
    "l": 45.882
  },
  "oklch": {
    "l": 0.43627,
    "c": 0.17051,
    "h": 277.5
  },
  "luminance": 0.07514
}

Semantic roles & 50–950 ramp

primary

#403EAC

secondary

#C0C185

accent

#D751D4

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #403EAC

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

Preview Lab → · Contrast checker → · Palette generator →