#403B89#403B89

#403B89 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.2% C 0.126 H 282.0°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#403B89
RGB	rgb(64, 59, 137)
HSL	hsl(244, 40%, 38%)
HSV	hsv(244, 57%, 54%)
CMYK	cmyk(53.3%, 56.9%, 0%, 46.3%)
CIE-LAB	lab(29.47, 24.86, -43.07)
CIE-LCH	lch(29.47, 49.73, 300.00°)
OKLab	oklab(40.21% 0.0262 -0.1231)
OKLCH	oklch(40.21% 0.126 282)
XYZ	xyz(8.1923, 6.0236, 24.3931)
Luminance	0.0602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403B89 #84893B

analogous

#3B5D89 #403B89 #673B89

triadic

#403B89 #89403B #3B8940

tetradic

#403B89 #893B5D #84893B #3B8967

square

#403B89 #893B5D #84893B #3B8967

split-complementary

#403B89 #89673B #5D893B

monochromatic

#181633 #2C295E #403B89 #554EB3 #7E79C5

Accessibility & contrast

On white

9.52

#403B89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#403B89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403B89

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403B89	#FFFFFF	#000000	##FFFFFF
##403B89	1.00	9.52	2.20	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#09488C

Deuteranopia (green-blind)

#004387

Tritanopia (blue-blind)

#224D5C

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #403b89;
/* rgb */ color: rgb(64, 59, 137);
/* oklch */ color: oklch(40.2% 0.126 282.0);

Tailwind

colors: {
  custom: {
    50: '#7b71ac',
    500: '#403b89',
    950: '#000000',
  },
}

SCSS

$custom: #403b89;
$custom-light: #7b71ac;
$custom-dark: #000000;

JSON

{
  "hex": "#403b89",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 137
  },
  "hsl": {
    "h": 243.846,
    "s": 39.796,
    "l": 38.431
  },
  "oklch": {
    "l": 0.40207,
    "c": 0.12589,
    "h": 282
  },
  "luminance": 0.06024
}

Semantic roles & 50–950 ramp

primary

#403B89

secondary

#ABAF71

accent

#D058C8

background

#F7F6FA

surface

#EEECF4

border

#C9C7CE

text

#0A0710

muted

#7C7A7F

Preview Lab

Preview with #403B89

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

Preview Lab → · Contrast checker → · Palette generator →