#403B69#403B69

#403B69 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 38.0% C 0.077 H 287.1°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#403B69
RGB	rgb(64, 59, 105)
HSL	hsl(247, 28%, 32%)
HSV	hsv(247, 44%, 41%)
CMYK	cmyk(39%, 43.8%, 0%, 58.8%)
CIE-LAB	lab(27.40, 14.49, -26.22)
CIE-LCH	lch(27.40, 29.96, 298.93°)
OKLab	oklab(37.98% 0.0227 -0.0737)
OKLCH	oklch(37.98% 0.077 287.1)
XYZ	xyz(6.2274, 5.2377, 14.0447)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403B69 #64693B

analogous

#3B4D69 #403B69 #573B69

triadic

#403B69 #69403B #3B6940

tetradic

#403B69 #693B4D #64693B #3B6957

square

#403B69 #693B4D #64693B #3B6957

split-complementary

#403B69 #69573B #4D693B

monochromatic

#100F1B #282542 #403B69 #585190 #7770AF

Accessibility & contrast

On white

10.26

#403B69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#403B69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403B69

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403B69	#FFFFFF	#000000	##FFFFFF
##403B69	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C426B

Deuteranopia (green-blind)

#2B3F68

Tritanopia (blue-blind)

#35444D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #403b69;
/* rgb */ color: rgb(64, 59, 105);
/* oklch */ color: oklch(38.0% 0.077 287.1);

Tailwind

colors: {
  custom: {
    50: '#777194',
    500: '#403b69',
    950: '#000000',
  },
}

SCSS

$custom: #403b69;
$custom-light: #777194;
$custom-dark: #000000;

JSON

{
  "hex": "#403b69",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 105
  },
  "hsl": {
    "h": 246.522,
    "s": 28.049,
    "l": 32.157
  },
  "oklch": {
    "l": 0.37983,
    "c": 0.07714,
    "h": 287.1
  },
  "luminance": 0.05238
}

Semantic roles & 50–950 ramp

primary

#403B69

secondary

#939967

accent

#C463BA

background

#F7F6F9

surface

#EDECF1

border

#C8C7CB

text

#09070D

muted

#7B7A7E

Preview Lab

Preview with #403B69

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

Preview Lab → · Contrast checker → · Palette generator →