#403CAE#403CAE

#403CAE is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.5% C 0.176 H 277.7°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#403CAE
RGB	rgb(64, 60, 174)
HSL	hsl(242, 49%, 46%)
HSV	hsv(242, 66%, 68%)
CMYK	cmyk(63.2%, 65.5%, 0%, 31.8%)
CIE-LAB	lab(32.65, 36.65, -60.38)
CIE-LCH	lch(32.65, 70.63, 301.26°)
OKLab	oklab(43.46% 0.0237 -0.174)
OKLCH	oklch(43.46% 0.176 277.7)
XYZ	xyz(11.3677, 7.3768, 40.8610)
Luminance	0.0738 (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

#403CAE #AAAE3C

analogous

#3C71AE #403CAE #793CAE

triadic

#403CAE #AE403C #3CAE40

tetradic

#403CAE #AE3C71 #AAAE3C #3CAE79

square

#403CAE #AE3C71 #AAAE3C #3CAE79

split-complementary

#403CAE #AE793C #71AE3C

monochromatic

#1F1D53 #2F2C80 #403CAE #635FC8 #8F8DD8

Accessibility & contrast

On white

8.48

#403CAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#403CAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403CAE

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403CAE	#FFFFFF	#000000	##FFFFFF
##403CAE	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B2

Deuteranopia (green-blind)

#0048AC

Tritanopia (blue-blind)

#00596F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #403cae;
/* rgb */ color: rgb(64, 60, 174);
/* oklch */ color: oklch(43.5% 0.176 277.7);

Tailwind

colors: {
  custom: {
    50: '#8272c7',
    500: '#403cae',
    950: '#000000',
  },
}

SCSS

$custom: #403cae;
$custom-light: #8272c7;
$custom-dark: #000000;

JSON

{
  "hex": "#403cae",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 174
  },
  "hsl": {
    "h": 242.105,
    "s": 48.718,
    "l": 45.882
  },
  "oklch": {
    "l": 0.43463,
    "c": 0.17561,
    "h": 277.7
  },
  "luminance": 0.07378
}

Semantic roles & 50–950 ramp

primary

#403CAE

secondary

#C0C283

accent

#D850D3

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #403CAE

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

Preview Lab → · Contrast checker → · Palette generator →