#403F98#403F98

#403F98 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.1% C 0.142 H 278.9°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#403F98
RGB	rgb(64, 63, 152)
HSL	hsl(241, 41%, 42%)
HSV	hsv(241, 59%, 60%)
CMYK	cmyk(57.9%, 58.6%, 0%, 40.4%)
CIE-LAB	lab(31.60, 27.32, -48.83)
CIE-LCH	lch(31.60, 55.95, 299.23°)
OKLab	oklab(42.14% 0.022 -0.14)
OKLCH	oklch(42.14% 0.142 278.9)
XYZ	xyz(9.5576, 6.9114, 30.5301)
Luminance	0.0691 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403F98 #97983F

analogous

#3F6B98 #403F98 #6D3F98

triadic

#403F98 #98403F #3F9840

tetradic

#403F98 #983F6B #97983F #3F986D

square

#403F98 #983F6B #97983F #3F986D

split-complementary

#403F98 #986D3F #6B983F

monochromatic

#1C1B41 #2E2D6D #403F98 #5B5ABA #8685CC

Accessibility & contrast

On white

8.81

#403F98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#403F98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403F98

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403F98	#FFFFFF	#000000	##FFFFFF
##403F98	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E9B

Deuteranopia (green-blind)

#004796

Tritanopia (blue-blind)

#0E5465

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #403f98;
/* rgb */ color: rgb(64, 63, 152);
/* oklch */ color: oklch(42.1% 0.142 278.9);

Tailwind

colors: {
  custom: {
    50: '#7d74b7',
    500: '#403f98',
    950: '#000000',
  },
}

SCSS

$custom: #403f98;
$custom-light: #7d74b7;
$custom-dark: #000000;

JSON

{
  "hex": "#403f98",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 152
  },
  "hsl": {
    "h": 240.674,
    "s": 41.395,
    "l": 42.157
  },
  "oklch": {
    "l": 0.42141,
    "c": 0.14176,
    "h": 278.9
  },
  "luminance": 0.06912
}

Semantic roles & 50–950 ramp

primary

#403F98

secondary

#B6B77C

accent

#D157D0

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #403F98

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

Preview Lab → · Contrast checker → · Palette generator →