#403D7E#403D7E

#403D7E is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.8% C 0.107 H 282.5°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#403D7E
RGB	rgb(64, 61, 126)
HSL	hsl(243, 35%, 37%)
HSV	hsv(243, 52%, 49%)
CMYK	cmyk(49.2%, 51.6%, 0%, 50.6%)
CIE-LAB	lab(29.24, 19.90, -36.59)
CIE-LCH	lch(29.24, 41.65, 298.54°)
OKLab	oklab(39.79% 0.0231 -0.1041)
OKLCH	oklch(39.79% 0.107 282.5)
XYZ	xyz(7.5479, 5.9335, 20.4822)
Luminance	0.0593 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403D7E #7B7E3D

analogous

#3D5B7E #403D7E #613D7E

triadic

#403D7E #7E403D #3D7E40

tetradic

#403D7E #7E3D5B #7B7E3D #3D7E61

square

#403D7E #7E3D5B #7B7E3D #3D7E61

split-complementary

#403D7E #7E613D #5B7E3D

monochromatic

#16152C #2B2955 #403D7E #5551A7 #7B78BE

Accessibility & contrast

On white

9.60

#403D7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#403D7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403D7E

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403D7E	#FFFFFF	#000000	##FFFFFF
##403D7E	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#204780

Deuteranopia (green-blind)

#1C437D

Tritanopia (blue-blind)

#2A4B57

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #403d7e;
/* rgb */ color: rgb(64, 61, 126);
/* oklch */ color: oklch(39.8% 0.107 282.5);

Tailwind

colors: {
  custom: {
    50: '#7972a4',
    500: '#403d7e',
    950: '#000000',
  },
}

SCSS

$custom: #403d7e;
$custom-light: #7972a4;
$custom-dark: #000000;

JSON

{
  "hex": "#403d7e",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 126
  },
  "hsl": {
    "h": 242.769,
    "s": 34.759,
    "l": 36.667
  },
  "oklch": {
    "l": 0.39794,
    "c": 0.10659,
    "h": 282.5
  },
  "luminance": 0.05934
}

Semantic roles & 50–950 ramp

primary

#403D7E

secondary

#A5A86F

accent

#CB5DC6

background

#F7F6FA

surface

#EEECF4

border

#C9C7CE

text

#09080F

muted

#7B7B7F

Preview Lab

Preview with #403D7E

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

Preview Lab → · Contrast checker → · Palette generator →