#403E69#403E69

#403E69 is a dark, moderate blue. Relative luminance 0.056; OKLCH L 38.6% C 0.072 H 284.6°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#403E69
RGB	rgb(64, 62, 105)
HSL	hsl(243, 26%, 33%)
HSV	hsv(243, 41%, 41%)
CMYK	cmyk(39%, 41%, 0%, 58.8%)
CIE-LAB	lab(28.26, 12.49, -24.87)
CIE-LCH	lch(28.26, 27.83, 296.67°)
OKLab	oklab(38.64% 0.0182 -0.0698)
OKLCH	oklch(38.64% 0.072 284.6)
XYZ	xyz(6.3861, 5.5549, 14.0976)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403E69 #67693E

analogous

#3E5169 #403E69 #553E69

triadic

#403E69 #69403E #3E6940

tetradic

#403E69 #693E51 #67693E #3E6955

square

#403E69 #693E51 #67693E #3E6955

split-complementary

#403E69 #69553E #51693E

monochromatic

#11111C #292743 #403E69 #57558F #7774AD

Accessibility & contrast

On white

9.95

#403E69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#403E69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403E69

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403E69	#FFFFFF	#000000	##FFFFFF
##403E69	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#30446B

Deuteranopia (green-blind)

#2F4168

Tritanopia (blue-blind)

#35464E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #403e69;
/* rgb */ color: rgb(64, 62, 105);
/* oklch */ color: oklch(38.6% 0.072 284.6);

Tailwind

colors: {
  custom: {
    50: '#777394',
    500: '#403e69',
    950: '#000000',
  },
}

SCSS

$custom: #403e69;
$custom-light: #777394;
$custom-dark: #000000;

JSON

{
  "hex": "#403e69",
  "rgb": {
    "r": 64,
    "g": 62,
    "b": 105
  },
  "hsl": {
    "h": 242.791,
    "s": 25.749,
    "l": 32.745
  },
  "oklch": {
    "l": 0.38638,
    "c": 0.07212,
    "h": 284.6
  },
  "luminance": 0.05555
}

Semantic roles & 50–950 ramp

primary

#403E69

secondary

#96986B

accent

#C266BE

background

#F7F6F9

surface

#EDECF1

border

#C8C7CB

text

#09080D

muted

#7B7B7E

Preview Lab

Preview with #403E69

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

Preview Lab → · Contrast checker → · Palette generator →