#403D75#403D75

#403D75 is a dark, moderate blue. Relative luminance 0.057; OKLCH L 39.2% C 0.093 H 283.7°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#403D75
RGB	rgb(64, 61, 117)
HSL	hsl(243, 31%, 35%)
HSV	hsv(243, 48%, 46%)
CMYK	cmyk(45.3%, 47.9%, 0%, 54.1%)
CIE-LAB	lab(28.67, 16.96, -31.84)
CIE-LCH	lch(28.67, 36.08, 298.04°)
OKLab	oklab(39.18% 0.0219 -0.0901)
OKLCH	oklch(39.18% 0.093 283.7)
XYZ	xyz(6.9930, 5.7115, 17.5601)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403D75 #72753D

analogous

#3D5675 #403D75 #5C3D75

triadic

#403D75 #75403D #3D7540

tetradic

#403D75 #753D56 #72753D #3D755C

square

#403D75 #753D56 #72753D #3D755C

split-complementary

#403D75 #755C3D #56753D

monochromatic

#141325 #2A284D #403D75 #56529D #7975B7

Accessibility & contrast

On white

9.80

#403D75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#403D75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403D75

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403D75	#FFFFFF	#000000	##FFFFFF
##403D75	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274577

Deuteranopia (green-blind)

#254274

Tritanopia (blue-blind)

#2F4853

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #403d75;
/* rgb */ color: rgb(64, 61, 117);
/* oklch */ color: oklch(39.2% 0.093 283.7);

Tailwind

colors: {
  custom: {
    50: '#78729d',
    500: '#403d75',
    950: '#000000',
  },
}

SCSS

$custom: #403d75;
$custom-light: #78729d;
$custom-dark: #000000;

JSON

{
  "hex": "#403d75",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 117
  },
  "hsl": {
    "h": 243.214,
    "s": 31.461,
    "l": 34.902
  },
  "oklch": {
    "l": 0.39178,
    "c": 0.09278,
    "h": 283.7
  },
  "luminance": 0.05712
}

Semantic roles & 50–950 ramp

primary

#403D75

secondary

#9FA16C

accent

#C860C2

background

#F7F6F9

surface

#EDECF2

border

#C8C7CC

text

#09080E

muted

#7B7B7E

Preview Lab

Preview with #403D75

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

Preview Lab → · Contrast checker → · Palette generator →