#403D7C#403D7C

#403D7C is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.7% C 0.104 H 282.7°. Best body text is #FFFFFF at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#403D7C
RGB	rgb(64, 61, 124)
HSL	hsl(243, 34%, 36%)
HSV	hsv(243, 51%, 49%)
CMYK	cmyk(48.4%, 50.8%, 0%, 51.4%)
CIE-LAB	lab(29.11, 19.24, -35.54)
CIE-LCH	lch(29.11, 40.42, 298.42°)
OKLab	oklab(39.65% 0.0229 -0.101)
OKLCH	oklch(39.65% 0.104 282.7)
XYZ	xyz(7.4201, 5.8824, 19.8093)
Luminance	0.0588 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403D7C #797C3D

analogous

#3D5A7C #403D7C #603D7C

triadic

#403D7C #7C403D #3D7C40

tetradic

#403D7C #7C3D5A #797C3D #3D7C60

square

#403D7C #7C3D5A #797C3D #3D7C60

split-complementary

#403D7C #7C603D #5A7C3D

monochromatic

#16152A #2B2953 #403D7C #5551A5 #7A77BC

Accessibility & contrast

On white

9.65

#403D7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#403D7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403D7C

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403D7C	#FFFFFF	#000000	##FFFFFF
##403D7C	1.00	9.65	2.18	9.65
#FFFFFF	9.65	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22477E

Deuteranopia (green-blind)

#1E427B

Tritanopia (blue-blind)

#2C4A56

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #403d7c;
/* rgb */ color: rgb(64, 61, 124);
/* oklch */ color: oklch(39.7% 0.104 282.7);

Tailwind

colors: {
  custom: {
    50: '#7972a2',
    500: '#403d7c',
    950: '#000000',
  },
}

SCSS

$custom: #403d7c;
$custom-light: #7972a2;
$custom-dark: #000000;

JSON

{
  "hex": "#403d7c",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 124
  },
  "hsl": {
    "h": 242.857,
    "s": 34.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.39654,
    "c": 0.10355,
    "h": 282.7
  },
  "luminance": 0.05883
}

Semantic roles & 50–950 ramp

primary

#403D7C

secondary

#A4A66F

accent

#CA5EC5

background

#F7F6FA

surface

#EEECF3

border

#C9C7CD

text

#09080F

muted

#7B7B7F

Preview Lab

Preview with #403D7C

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

Preview Lab → · Contrast checker → · Palette generator →