#403D69#403D69

#403D69 is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.4% C 0.074 H 285.5°. Best body text is #FFFFFF at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#403D69
RGB	rgb(64, 61, 105)
HSL	hsl(244, 27%, 33%)
HSV	hsv(244, 42%, 41%)
CMYK	cmyk(39%, 41.9%, 0%, 58.8%)
CIE-LAB	lab(27.97, 13.16, -25.32)
CIE-LCH	lch(27.97, 28.54, 297.46°)
OKLab	oklab(38.42% 0.0197 -0.0711)
OKLCH	oklch(38.42% 0.074 285.5)
XYZ	xyz(6.3322, 5.4472, 14.0796)
Luminance	0.0545 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403D69 #66693D

analogous

#3D5069 #403D69 #563D69

triadic

#403D69 #69403D #3D6940

tetradic

#403D69 #693D50 #66693D #3D6956

square

#403D69 #693D50 #66693D #3D6956

split-complementary

#403D69 #69563D #50693D

monochromatic

#11101C #282742 #403D69 #585390 #7773AE

Accessibility & contrast

On white

10.05

#403D69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#403D69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403D69

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403D69	#FFFFFF	#000000	##FFFFFF
##403D69	1.00	10.05	2.09	10.05
#FFFFFF	10.05	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F436B

Deuteranopia (green-blind)

#2E4168

Tritanopia (blue-blind)

#35454E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #403d69;
/* rgb */ color: rgb(64, 61, 105);
/* oklch */ color: oklch(38.4% 0.074 285.5);

Tailwind

colors: {
  custom: {
    50: '#777294',
    500: '#403d69',
    950: '#000000',
  },
}

SCSS

$custom: #403d69;
$custom-light: #777294;
$custom-dark: #000000;

JSON

{
  "hex": "#403d69",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 105
  },
  "hsl": {
    "h": 244.091,
    "s": 26.506,
    "l": 32.549
  },
  "oklch": {
    "l": 0.38418,
    "c": 0.07379,
    "h": 285.5
  },
  "luminance": 0.05447
}

Semantic roles & 50–950 ramp

primary

#403D69

secondary

#95986A

accent

#C365BC

background

#F7F6F9

surface

#EDECF1

border

#C8C7CB

text

#09080D

muted

#7B7B7E

Preview Lab

Preview with #403D69

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

Preview Lab → · Contrast checker → · Palette generator →