#403F75#403F75

#403F75 is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.6% C 0.090 H 282.3°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#403F75
RGB	rgb(64, 63, 117)
HSL	hsl(241, 30%, 35%)
HSV	hsv(241, 46%, 46%)
CMYK	cmyk(45.3%, 46.2%, 0%, 54.1%)
CIE-LAB	lab(29.23, 15.63, -30.95)
CIE-LCH	lch(29.23, 34.67, 296.79°)
OKLab	oklab(39.6% 0.0192 -0.0875)
OKLCH	oklch(39.6% 0.09 282.3)
XYZ	xyz(7.1018, 5.9290, 17.5964)
Luminance	0.0593 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403F75 #74753F

analogous

#3F5975 #403F75 #5B3F75

triadic

#403F75 #75403F #3F7540

tetradic

#403F75 #753F59 #74753F #3F755B

square

#403F75 #753F59 #74753F #3F755B

split-complementary

#403F75 #755B3F #59753F

monochromatic

#141425 #2A2A4D #403F75 #56549D #7978B6

Accessibility & contrast

On white

9.61

#403F75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#403F75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403F75

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403F75	#FFFFFF	#000000	##FFFFFF
##403F75	1.00	9.61	2.19	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B4777

Deuteranopia (green-blind)

#284374

Tritanopia (blue-blind)

#2F4A54

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #403f75;
/* rgb */ color: rgb(64, 63, 117);
/* oklch */ color: oklch(39.6% 0.090 282.3);

Tailwind

colors: {
  custom: {
    50: '#78749d',
    500: '#403f75',
    950: '#000000',
  },
}

SCSS

$custom: #403f75;
$custom-light: #78749d;
$custom-dark: #000000;

JSON

{
  "hex": "#403f75",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 117
  },
  "hsl": {
    "h": 241.111,
    "s": 30,
    "l": 35.294
  },
  "oklch": {
    "l": 0.39602,
    "c": 0.0896,
    "h": 282.3
  },
  "luminance": 0.05929
}

Semantic roles & 50–950 ramp

primary

#403F75

secondary

#A0A16F

accent

#C662C4

background

#F7F7F9

surface

#EDEDF2

border

#C8C8CC

text

#09080E

muted

#7B7B7E

Preview Lab

Preview with #403F75

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

Preview Lab → · Contrast checker → · Palette generator →