#403E72#403E72

#403E72 is a dark, moderate blue. Relative luminance 0.058; OKLCH L 39.2% C 0.086 H 283.4°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#403E72
RGB	rgb(64, 62, 114)
HSL	hsl(242, 30%, 35%)
HSV	hsv(242, 46%, 45%)
CMYK	cmyk(43.9%, 45.6%, 0%, 55.3%)
CIE-LAB	lab(28.77, 15.33, -29.79)
CIE-LCH	lch(28.77, 33.50, 297.23°)
OKLab	oklab(39.2% 0.02 -0.0841)
OKLCH	oklch(39.2% 0.086 283.4)
XYZ	xyz(6.8734, 5.7499, 16.6640)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403E72 #70723E

analogous

#3E5672 #403E72 #5A3E72

triadic

#403E72 #72403E #3E7240

tetradic

#403E72 #723E56 #70723E #3E725A

square

#403E72 #723E56 #70723E #3E725A

split-complementary

#403E72 #725A3E #56723E

monochromatic

#131323 #2A284A #403E72 #56549A #7876B4

Accessibility & contrast

On white

9.77

#403E72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#403E72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403E72

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403E72	#FFFFFF	#000000	##FFFFFF
##403E72	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B4674

Deuteranopia (green-blind)

#294271

Tritanopia (blue-blind)

#314852

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #403e72;
/* rgb */ color: rgb(64, 62, 114);
/* oklch */ color: oklch(39.2% 0.086 283.4);

Tailwind

colors: {
  custom: {
    50: '#78739b',
    500: '#403e72',
    950: '#000000',
  },
}

SCSS

$custom: #403e72;
$custom-light: #78739b;
$custom-dark: #000000;

JSON

{
  "hex": "#403e72",
  "rgb": {
    "r": 64,
    "g": 62,
    "b": 114
  },
  "hsl": {
    "h": 242.308,
    "s": 29.545,
    "l": 34.51
  },
  "oklch": {
    "l": 0.39195,
    "c": 0.08648,
    "h": 283.4
  },
  "luminance": 0.0575
}

Semantic roles & 50–950 ramp

primary

#403E72

secondary

#9D9F6D

accent

#C662C2

background

#F7F6F9

surface

#EDECF2

border

#C8C7CC

text

#09080E

muted

#7B7B7E

Preview Lab

Preview with #403E72

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

Preview Lab → · Contrast checker → · Palette generator →