#403D72#403D72

#403D72 is a dark, moderate blue. Relative luminance 0.056; OKLCH L 39.0% C 0.088 H 284.1°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#403D72
RGB	rgb(64, 61, 114)
HSL	hsl(243, 30%, 34%)
HSV	hsv(243, 46%, 45%)
CMYK	cmyk(43.9%, 46.5%, 0%, 55.3%)
CIE-LAB	lab(28.49, 15.99, -30.23)
CIE-LCH	lch(28.49, 34.20, 297.88°)
OKLab	oklab(38.98% 0.0215 -0.0854)
OKLCH	oklch(38.98% 0.088 284.1)
XYZ	xyz(6.8195, 5.6421, 16.6460)
Luminance	0.0564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403D72 #6F723D

analogous

#3D5572 #403D72 #5B3D72

triadic

#403D72 #72403D #3D7240

tetradic

#403D72 #723D55 #6F723D #3D725B

square

#403D72 #723D55 #6F723D #3D725B

split-complementary

#403D72 #725B3D #55723D

monochromatic

#131222 #2A284A #403D72 #56529A #7875B5

Accessibility & contrast

On white

9.87

#403D72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#403D72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403D72

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403D72	#FFFFFF	#000000	##FFFFFF
##403D72	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#294574

Deuteranopia (green-blind)

#274271

Tritanopia (blue-blind)

#314852

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #403d72;
/* rgb */ color: rgb(64, 61, 114);
/* oklch */ color: oklch(39.0% 0.088 284.1);

Tailwind

colors: {
  custom: {
    50: '#78729b',
    500: '#403d72',
    950: '#000000',
  },
}

SCSS

$custom: #403d72;
$custom-light: #78729b;
$custom-dark: #000000;

JSON

{
  "hex": "#403d72",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 114
  },
  "hsl": {
    "h": 243.396,
    "s": 30.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.38981,
    "c": 0.08809,
    "h": 284.1
  },
  "luminance": 0.05642
}

Semantic roles & 50–950 ramp

primary

#403D72

secondary

#9C9F6C

accent

#C761C1

background

#F7F6F9

surface

#EDECF2

border

#C8C7CC

text

#09080E

muted

#7B7B7E

Preview Lab

Preview with #403D72

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

Preview Lab → · Contrast checker → · Palette generator →