#403E89#403E89

#403E89 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.8% C 0.122 H 280.8°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#403E89
RGB	rgb(64, 62, 137)
HSL	hsl(242, 38%, 39%)
HSV	hsv(242, 55%, 54%)
CMYK	cmyk(53.3%, 54.7%, 0%, 46.3%)
CIE-LAB	lab(30.26, 22.90, -41.80)
CIE-LCH	lch(30.26, 47.66, 298.71°)
OKLab	oklab(40.79% 0.0227 -0.1194)
OKLCH	oklch(40.79% 0.122 280.8)
XYZ	xyz(8.3509, 6.3409, 24.4459)
Luminance	0.0634 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403E89 #87893E

analogous

#3E6289 #403E89 #663E89

triadic

#403E89 #89403E #3E8940

tetradic

#403E89 #893E62 #87893E #3E8966

square

#403E89 #893E62 #87893E #3E8966

split-complementary

#403E89 #89663E #62893E

monochromatic

#191835 #2C2B5F #403E89 #5653B1 #7F7DC4

Accessibility & contrast

On white

9.26

#403E89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#403E89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403E89

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403E89	#FFFFFF	#000000	##FFFFFF
##403E89	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#154A8C

Deuteranopia (green-blind)

#0B4487

Tritanopia (blue-blind)

#224F5D

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #403e89;
/* rgb */ color: rgb(64, 62, 137);
/* oklch */ color: oklch(40.8% 0.122 280.8);

Tailwind

colors: {
  custom: {
    50: '#7b73ac',
    500: '#403e89',
    950: '#000000',
  },
}

SCSS

$custom: #403e89;
$custom-light: #7b73ac;
$custom-dark: #000000;

JSON

{
  "hex": "#403e89",
  "rgb": {
    "r": 64,
    "g": 62,
    "b": 137
  },
  "hsl": {
    "h": 241.6,
    "s": 37.688,
    "l": 39.02
  },
  "oklch": {
    "l": 0.40792,
    "c": 0.12152,
    "h": 280.8
  },
  "luminance": 0.06341
}

Semantic roles & 50–950 ramp

primary

#403E89

secondary

#ADAE74

accent

#CE5ACB

background

#F7F6FA

surface

#EEECF4

border

#C9C7CE

text

#0A0810

muted

#7C7B7F

Preview Lab

Preview with #403E89

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

Preview Lab → · Contrast checker → · Palette generator →