#403F77#403F77

#403F77 is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.7% C 0.093 H 282.1°. Best body text is #FFFFFF at 9.57:1 contrast (WCAG AA passes).

Color values

HEX	#403F77
RGB	rgb(64, 63, 119)
HSL	hsl(241, 31%, 36%)
HSV	hsv(241, 47%, 47%)
CMYK	cmyk(46.2%, 47.1%, 0%, 53.3%)
CIE-LAB	lab(29.35, 16.27, -32.02)
CIE-LCH	lch(29.35, 35.92, 296.94°)
OKLab	oklab(39.73% 0.0195 -0.0907)
OKLCH	oklch(39.73% 0.093 282.1)
XYZ	xyz(7.2207, 5.9766, 18.2223)
Luminance	0.0598 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403F77 #76773F

analogous

#3F5A77 #403F77 #5C3F77

triadic

#403F77 #77403F #3F7740

tetradic

#403F77 #773F5A #76773F #3F775C

square

#403F77 #773F5A #76773F #3F775C

split-complementary

#403F77 #775C3F #5A773F

monochromatic

#151527 #2A2A4F #403F77 #56549F #7A79B8

Accessibility & contrast

On white

9.57

#403F77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#403F77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403F77

9.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403F77	#FFFFFF	#000000	##FFFFFF
##403F77	1.00	9.57	2.20	9.57
#FFFFFF	9.57	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#294779

Deuteranopia (green-blind)

#264376

Tritanopia (blue-blind)

#2E4B55

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #403f77;
/* rgb */ color: rgb(64, 63, 119);
/* oklch */ color: oklch(39.7% 0.093 282.1);

Tailwind

colors: {
  custom: {
    50: '#78749e',
    500: '#403f77',
    950: '#000000',
  },
}

SCSS

$custom: #403f77;
$custom-light: #78749e;
$custom-dark: #000000;

JSON

{
  "hex": "#403f77",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 119
  },
  "hsl": {
    "h": 241.071,
    "s": 30.769,
    "l": 35.686
  },
  "oklch": {
    "l": 0.39733,
    "c": 0.09273,
    "h": 282.1
  },
  "luminance": 0.05977
}

Semantic roles & 50–950 ramp

primary

#403F77

secondary

#A1A26F

accent

#C761C5

background

#F7F7F9

surface

#EDEDF2

border

#C8C8CC

text

#09080E

muted

#7B7B7E

Preview Lab

Preview with #403F77

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

Preview Lab → · Contrast checker → · Palette generator →