#403E98#403E98

#403E98 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.0% C 0.143 H 279.3°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#403E98
RGB	rgb(64, 62, 152)
HSL	hsl(241, 42%, 42%)
HSV	hsv(241, 59%, 60%)
CMYK	cmyk(57.9%, 59.2%, 0%, 40.4%)
CIE-LAB	lab(31.35, 27.96, -49.24)
CIE-LCH	lch(31.35, 56.63, 299.59°)
OKLab	oklab(41.95% 0.023 -0.1413)
OKLCH	oklch(41.95% 0.143 279.3)
XYZ	xyz(9.5027, 6.8016, 30.5118)
Luminance	0.0680 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403E98 #96983E

analogous

#3E6998 #403E98 #6D3E98

triadic

#403E98 #98403E #3E9840

tetradic

#403E98 #983E69 #96983E #3E986D

square

#403E98 #983E69 #96983E #3E986D

split-complementary

#403E98 #986D3E #69983E

monochromatic

#1B1B41 #2E2C6D #403E98 #5A58BB #8584CD

Accessibility & contrast

On white

8.90

#403E98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#403E98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403E98

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403E98	#FFFFFF	#000000	##FFFFFF
##403E98	1.00	8.90	2.36	8.90
#FFFFFF	8.90	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9B

Deuteranopia (green-blind)

#004696

Tritanopia (blue-blind)

#0E5365

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #403e98;
/* rgb */ color: rgb(64, 62, 152);
/* oklch */ color: oklch(42.0% 0.143 279.3);

Tailwind

colors: {
  custom: {
    50: '#7d73b7',
    500: '#403e98',
    950: '#000000',
  },
}

SCSS

$custom: #403e98;
$custom-light: #7d73b7;
$custom-dark: #000000;

JSON

{
  "hex": "#403e98",
  "rgb": {
    "r": 64,
    "g": 62,
    "b": 152
  },
  "hsl": {
    "h": 241.333,
    "s": 42.056,
    "l": 41.961
  },
  "oklch": {
    "l": 0.41953,
    "c": 0.14312,
    "h": 279.3
  },
  "luminance": 0.06802
}

Semantic roles & 50–950 ramp

primary

#403E98

secondary

#B6B77B

accent

#D256CF

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #403E98

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

Preview Lab → · Contrast checker → · Palette generator →