#403F96#403F96

#403F96 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.0% C 0.139 H 279.1°. Best body text is #FFFFFF at 8.86:1 contrast (WCAG AA passes).

Color values

HEX	#403F96
RGB	rgb(64, 63, 150)
HSL	hsl(241, 41%, 42%)
HSV	hsv(241, 58%, 59%)
CMYK	cmyk(57.3%, 58%, 0%, 41.2%)
CIE-LAB	lab(31.45, 26.64, -47.85)
CIE-LCH	lch(31.45, 54.77, 299.10°)
OKLab	oklab(41.98% 0.022 -0.1372)
OKLCH	oklch(41.98% 0.139 279.1)
XYZ	xyz(9.3951, 6.8464, 29.6747)
Luminance	0.0685 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403F96 #95963F

analogous

#3F6A96 #403F96 #6C3F96

triadic

#403F96 #96403F #3F9640

tetradic

#403F96 #963F6A #95963F #3F966C

square

#403F96 #963F6A #95963F #3F966C

split-complementary

#403F96 #966C3F #6A963F

monochromatic

#1B1B40 #2E2D6B #403F96 #5A59B9 #8584CB

Accessibility & contrast

On white

8.86

#403F96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#403F96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403F96

8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403F96	#FFFFFF	#000000	##FFFFFF
##403F96	1.00	8.86	2.37	8.86
#FFFFFF	8.86	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E99

Deuteranopia (green-blind)

#004794

Tritanopia (blue-blind)

#125364

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #403f96;
/* rgb */ color: rgb(64, 63, 150);
/* oklch */ color: oklch(42.0% 0.139 279.1);

Tailwind

colors: {
  custom: {
    50: '#7d74b5',
    500: '#403f96',
    950: '#000000',
  },
}

SCSS

$custom: #403f96;
$custom-light: #7d74b5;
$custom-dark: #000000;

JSON

{
  "hex": "#403f96",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 150
  },
  "hsl": {
    "h": 240.69,
    "s": 40.845,
    "l": 41.765
  },
  "oklch": {
    "l": 0.41982,
    "c": 0.13892,
    "h": 279.1
  },
  "luminance": 0.06847
}

Semantic roles & 50–950 ramp

primary

#403F96

secondary

#B5B67B

accent

#D157CF

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #403F96

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

Preview Lab → · Contrast checker → · Palette generator →