#403E97#403E97

#403E97 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.9% C 0.142 H 279.3°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#403E97
RGB	rgb(64, 62, 151)
HSL	hsl(241, 42%, 42%)
HSV	hsv(241, 59%, 59%)
CMYK	cmyk(57.6%, 58.9%, 0%, 40.8%)
CIE-LAB	lab(31.28, 27.62, -48.75)
CIE-LCH	lch(31.28, 56.03, 299.54°)
OKLab	oklab(41.87% 0.023 -0.1398)
OKLCH	oklch(41.87% 0.142 279.3)
XYZ	xyz(9.4211, 6.7690, 30.0823)
Luminance	0.0677 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403E97 #95973E

analogous

#3E6997 #403E97 #6D3E97

triadic

#403E97 #97403E #3E9740

tetradic

#403E97 #973E69 #95973E #3E976D

square

#403E97 #973E69 #95973E #3E976D

split-complementary

#403E97 #976D3E #69973E

monochromatic

#1B1A40 #2E2C6C #403E97 #5A58BA #8583CC

Accessibility & contrast

On white

8.92

#403E97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#403E97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403E97

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403E97	#FFFFFF	#000000	##FFFFFF
##403E97	1.00	8.92	2.35	8.92
#FFFFFF	8.92	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9A

Deuteranopia (green-blind)

#004695

Tritanopia (blue-blind)

#105364

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #403e97;
/* rgb */ color: rgb(64, 62, 151);
/* oklch */ color: oklch(41.9% 0.142 279.3);

Tailwind

colors: {
  custom: {
    50: '#7d73b6',
    500: '#403e97',
    950: '#000000',
  },
}

SCSS

$custom: #403e97;
$custom-light: #7d73b6;
$custom-dark: #000000;

JSON

{
  "hex": "#403e97",
  "rgb": {
    "r": 64,
    "g": 62,
    "b": 151
  },
  "hsl": {
    "h": 241.348,
    "s": 41.784,
    "l": 41.765
  },
  "oklch": {
    "l": 0.41873,
    "c": 0.14171,
    "h": 279.3
  },
  "luminance": 0.0677
}

Semantic roles & 50–950 ramp

primary

#403E97

secondary

#B5B67A

accent

#D256CF

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #403E97

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

Preview Lab → · Contrast checker → · Palette generator →