#403C73#403C73

#403C73 is a dark, moderate blue. Relative luminance 0.056; OKLCH L 38.8% C 0.091 H 284.6°. Best body text is #FFFFFF at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#403C73
RGB	rgb(64, 60, 115)
HSL	hsl(244, 31%, 34%)
HSV	hsv(244, 48%, 45%)
CMYK	cmyk(44.3%, 47.8%, 0%, 54.9%)
CIE-LAB	lab(28.27, 16.98, -31.21)
CIE-LCH	lch(28.27, 35.54, 298.55°)
OKLab	oklab(38.83% 0.023 -0.0883)
OKLCH	oklch(38.83% 0.091 284.6)
XYZ	xyz(6.8238, 5.5592, 16.9298)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403C73 #6F733C

analogous

#3C5473 #403C73 #5C3C73

triadic

#403C73 #73403C #3C7340

tetradic

#403C73 #733C54 #6F733C #3C735C

square

#403C73 #733C54 #6F733C #3C735C

split-complementary

#403C73 #735C3C #54733C

monochromatic

#131223 #2A274B #403C73 #56519B #7873B6

Accessibility & contrast

On white

9.94

#403C73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#403C73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403C73

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403C73	#FFFFFF	#000000	##FFFFFF
##403C73	1.00	9.94	2.11	9.94
#FFFFFF	9.94	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274475

Deuteranopia (green-blind)

#254172

Tritanopia (blue-blind)

#314752

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #403c73;
/* rgb */ color: rgb(64, 60, 115);
/* oklch */ color: oklch(38.8% 0.091 284.6);

Tailwind

colors: {
  custom: {
    50: '#78719b',
    500: '#403c73',
    950: '#000000',
  },
}

SCSS

$custom: #403c73;
$custom-light: #78719b;
$custom-dark: #000000;

JSON

{
  "hex": "#403c73",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 115
  },
  "hsl": {
    "h": 244.364,
    "s": 31.429,
    "l": 34.314
  },
  "oklch": {
    "l": 0.38835,
    "c": 0.09126,
    "h": 284.6
  },
  "luminance": 0.0556
}

Semantic roles & 50–950 ramp

primary

#403C73

secondary

#9CA06B

accent

#C860C0

background

#F7F6F9

surface

#EDECF2

border

#C8C7CC

text

#09070E

muted

#7B7A7E

Preview Lab

Preview with #403C73

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

Preview Lab → · Contrast checker → · Palette generator →