#403D87#403D87

#403D87 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.4% C 0.120 H 281.4°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#403D87
RGB	rgb(64, 61, 135)
HSL	hsl(242, 38%, 38%)
HSV	hsv(242, 55%, 53%)
CMYK	cmyk(52.6%, 54.8%, 0%, 47.1%)
CIE-LAB	lab(29.85, 22.89, -41.22)
CIE-LCH	lch(29.85, 47.14, 299.04°)
OKLab	oklab(40.45% 0.0238 -0.1177)
OKLCH	oklch(40.45% 0.12 281.4)
XYZ	xyz(8.1549, 6.1763, 23.6794)
Luminance	0.0618 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403D87 #84873D

analogous

#3D5F87 #403D87 #653D87

triadic

#403D87 #87403D #3D8740

tetradic

#403D87 #873D5F #84873D #3D8765

square

#403D87 #873D5F #84873D #3D8765

split-complementary

#403D87 #87653D #5F873D

monochromatic

#181733 #2C2A5D #403D87 #5551B0 #7E7BC3

Accessibility & contrast

On white

9.39

#403D87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#403D87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403D87

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403D87	#FFFFFF	#000000	##FFFFFF
##403D87	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15498A

Deuteranopia (green-blind)

#0C4485

Tritanopia (blue-blind)

#244D5C

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #403d87;
/* rgb */ color: rgb(64, 61, 135);
/* oklch */ color: oklch(40.4% 0.120 281.4);

Tailwind

colors: {
  custom: {
    50: '#7b72aa',
    500: '#403d87',
    950: '#000000',
  },
}

SCSS

$custom: #403d87;
$custom-light: #7b72aa;
$custom-dark: #000000;

JSON

{
  "hex": "#403d87",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 135
  },
  "hsl": {
    "h": 242.432,
    "s": 37.755,
    "l": 38.431
  },
  "oklch": {
    "l": 0.40445,
    "c": 0.12004,
    "h": 281.4
  },
  "luminance": 0.06177
}

Semantic roles & 50–950 ramp

primary

#403D87

secondary

#ABAD73

accent

#CE5AC9

background

#F7F6FA

surface

#EEECF4

border

#C9C7CE

text

#0A0810

muted

#7C7B7F

Preview Lab

Preview with #403D87

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

Preview Lab → · Contrast checker → · Palette generator →