#403F76#403F76

#403F76 is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.7% C 0.091 H 282.2°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#403F76
RGB	rgb(64, 63, 118)
HSL	hsl(241, 30%, 35%)
HSV	hsv(241, 47%, 46%)
CMYK	cmyk(45.8%, 46.6%, 0%, 53.7%)
CIE-LAB	lab(29.29, 15.95, -31.49)
CIE-LCH	lch(29.29, 35.30, 296.86°)
OKLab	oklab(39.67% 0.0193 -0.0891)
OKLCH	oklch(39.67% 0.091 282.2)
XYZ	xyz(7.1609, 5.9527, 17.9077)
Luminance	0.0595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403F76 #75763F

analogous

#3F5976 #403F76 #5B3F76

triadic

#403F76 #76403F #3F7640

tetradic

#403F76 #763F59 #75763F #3F765B

square

#403F76 #763F59 #75763F #3F765B

split-complementary

#403F76 #765B3F #59763F

monochromatic

#151426 #2A2A4E #403F76 #56549E #7978B7

Accessibility & contrast

On white

9.59

#403F76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#403F76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403F76

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403F76	#FFFFFF	#000000	##FFFFFF
##403F76	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A4778

Deuteranopia (green-blind)

#274375

Tritanopia (blue-blind)

#2F4A54

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #403f76;
/* rgb */ color: rgb(64, 63, 118);
/* oklch */ color: oklch(39.7% 0.091 282.2);

Tailwind

colors: {
  custom: {
    50: '#78749e',
    500: '#403f76',
    950: '#000000',
  },
}

SCSS

$custom: #403f76;
$custom-light: #78749e;
$custom-dark: #000000;

JSON

{
  "hex": "#403f76",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 118
  },
  "hsl": {
    "h": 241.091,
    "s": 30.387,
    "l": 35.49
  },
  "oklch": {
    "l": 0.39668,
    "c": 0.09117,
    "h": 282.2
  },
  "luminance": 0.05953
}

Semantic roles & 50–950 ramp

primary

#403F76

secondary

#A1A26F

accent

#C761C5

background

#F7F7F9

surface

#EDEDF2

border

#C8C8CC

text

#09080E

muted

#7B7B7E

Preview Lab

Preview with #403F76

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

Preview Lab → · Contrast checker → · Palette generator →