#403D5F#403D5F

#403D5F is a dark, muted blue. Relative luminance 0.053; OKLCH L 37.8% C 0.058 H 287.4°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#403D5F
RGB	rgb(64, 61, 95)
HSL	hsl(245, 22%, 31%)
HSV	hsv(245, 36%, 37%)
CMYK	cmyk(32.6%, 35.8%, 0%, 62.7%)
CIE-LAB	lab(27.45, 10.13, -19.72)
CIE-LCH	lch(27.45, 22.16, 297.19°)
OKLab	oklab(37.84% 0.0172 -0.0549)
OKLCH	oklch(37.84% 0.058 287.4)
XYZ	xyz(5.8481, 5.2536, 11.5302)
Luminance	0.0525 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403D5F #5C5F3D

analogous

#3D4B5F #403D5F #513D5F

triadic

#403D5F #5F403D #3D5F40

tetradic

#403D5F #5F3D4B #5C5F3D #3D5F51

square

#403D5F #5F3D4B #5C5F3D #3D5F51

split-complementary

#403D5F #5F513D #4B5F3D

monochromatic

#0E0D14 #27253A #403D5F #595584 #7672A4

Accessibility & contrast

On white

10.24

#403D5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#403D5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403D5F

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403D5F	#FFFFFF	#000000	##FFFFFF
##403D5F	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#334260

Deuteranopia (green-blind)

#33405E

Tritanopia (blue-blind)

#394349

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #403d5f;
/* rgb */ color: rgb(64, 61, 95);
/* oklch */ color: oklch(37.8% 0.058 287.4);

Tailwind

colors: {
  custom: {
    50: '#76728c',
    500: '#403d5f',
    950: '#000000',
  },
}

SCSS

$custom: #403d5f;
$custom-light: #76728c;
$custom-dark: #000000;

JSON

{
  "hex": "#403d5f",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 95
  },
  "hsl": {
    "h": 245.294,
    "s": 21.795,
    "l": 30.588
  },
  "oklch": {
    "l": 0.37842,
    "c": 0.0575,
    "h": 287.4
  },
  "luminance": 0.05254
}

Semantic roles & 50–950 ramp

primary

#403D5F

secondary

#8B8F69

accent

#BE69B7

background

#F7F6F8

surface

#EDECF0

border

#C8C7CB

text

#08080C

muted

#7B7B7D

Preview Lab

Preview with #403D5F

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

Preview Lab → · Contrast checker → · Palette generator →