#403D79#403D79

#403D79 is a dark, moderate blue. Relative luminance 0.058; OKLCH L 39.4% C 0.099 H 283.1°. Best body text is #FFFFFF at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#403D79
RGB	rgb(64, 61, 121)
HSL	hsl(243, 33%, 36%)
HSV	hsv(243, 50%, 47%)
CMYK	cmyk(47.1%, 49.6%, 0%, 52.5%)
CIE-LAB	lab(28.92, 18.26, -33.97)
CIE-LCH	lch(28.92, 38.56, 298.26°)
OKLab	oklab(39.45% 0.0225 -0.0964)
OKLCH	oklch(39.45% 0.099 283.1)
XYZ	xyz(7.2333, 5.8076, 18.8253)
Luminance	0.0581 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403D79 #76793D

analogous

#3D5879 #403D79 #5E3D79

triadic

#403D79 #79403D #3D7940

tetradic

#403D79 #793D58 #76793D #3D795E

square

#403D79 #793D58 #76793D #3D795E

split-complementary

#403D79 #795E3D #58793D

monochromatic

#151428 #2A2850 #403D79 #5652A2 #7A76BA

Accessibility & contrast

On white

9.72

#403D79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#403D79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403D79

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403D79	#FFFFFF	#000000	##FFFFFF
##403D79	1.00	9.72	2.16	9.72
#FFFFFF	9.72	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24467B

Deuteranopia (green-blind)

#214278

Tritanopia (blue-blind)

#2D4A55

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #403d79;
/* rgb */ color: rgb(64, 61, 121);
/* oklch */ color: oklch(39.4% 0.099 283.1);

Tailwind

colors: {
  custom: {
    50: '#7972a0',
    500: '#403d79',
    950: '#000000',
  },
}

SCSS

$custom: #403d79;
$custom-light: #7972a0;
$custom-dark: #000000;

JSON

{
  "hex": "#403d79",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 121
  },
  "hsl": {
    "h": 243,
    "s": 32.967,
    "l": 35.686
  },
  "oklch": {
    "l": 0.39447,
    "c": 0.09896,
    "h": 283.1
  },
  "luminance": 0.05808
}

Semantic roles & 50–950 ramp

primary

#403D79

secondary

#A1A46E

accent

#C95FC4

background

#F7F6F9

surface

#EEECF2

border

#C9C7CC

text

#09080F

muted

#7B7B7E

Preview Lab

Preview with #403D79

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

Preview Lab → · Contrast checker → · Palette generator →