#403B76#403B76

#403B76 is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.8% C 0.098 H 284.7°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#403B76
RGB	rgb(64, 59, 118)
HSL	hsl(245, 33%, 35%)
HSV	hsv(245, 50%, 46%)
CMYK	cmyk(45.8%, 50%, 0%, 53.7%)
CIE-LAB	lab(28.18, 18.61, -33.26)
CIE-LCH	lch(28.18, 38.11, 299.24°)
OKLab	oklab(38.83% 0.0248 -0.0943)
OKLCH	oklch(38.83% 0.098 284.7)
XYZ	xyz(6.9474, 5.5256, 17.8365)
Luminance	0.0553 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403B76 #71763B

analogous

#3B5476 #403B76 #5E3B76

triadic

#403B76 #76403B #3B7640

tetradic

#403B76 #763B54 #71763B #3B765E

square

#403B76 #763B54 #71763B #3B765E

split-complementary

#403B76 #765E3B #54763B

monochromatic

#141224 #2A274D #403B76 #564F9F #7973B9

Accessibility & contrast

On white

9.98

#403B76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#403B76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403B76

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403B76	#FFFFFF	#000000	##FFFFFF
##403B76	1.00	9.98	2.11	9.98
#FFFFFF	9.98	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234478

Deuteranopia (green-blind)

#214175

Tritanopia (blue-blind)

#2F4753

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #403b76;
/* rgb */ color: rgb(64, 59, 118);
/* oklch */ color: oklch(38.8% 0.098 284.7);

Tailwind

colors: {
  custom: {
    50: '#78719e',
    500: '#403b76',
    950: '#000000',
  },
}

SCSS

$custom: #403b76;
$custom-light: #78719e;
$custom-dark: #000000;

JSON

{
  "hex": "#403b76",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 118
  },
  "hsl": {
    "h": 245.085,
    "s": 33.333,
    "l": 34.706
  },
  "oklch": {
    "l": 0.38828,
    "c": 0.09751,
    "h": 284.7
  },
  "luminance": 0.05526
}

Semantic roles & 50–950 ramp

primary

#403B76

secondary

#9EA36A

accent

#C95EC0

background

#F7F6F9

surface

#EDECF2

border

#C8C7CC

text

#09070E

muted

#7B7A7E

Preview Lab

Preview with #403B76

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

Preview Lab → · Contrast checker → · Palette generator →