#403191#403191

#403191 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.1% C 0.151 H 284.1°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#403191
RGB	rgb(64, 49, 145)
HSL	hsl(249, 49%, 38%)
HSV	hsv(249, 66%, 57%)
CMYK	cmyk(55.9%, 66.2%, 0%, 43.1%)
CIE-LAB	lab(27.66, 33.85, -50.96)
CIE-LCH	lch(27.66, 61.17, 303.59°)
OKLab	oklab(39.07% 0.0367 -0.1464)
OKLCH	oklch(39.07% 0.151 284.1)
XYZ	xyz(8.3219, 5.3305, 27.3729)
Luminance	0.0533 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403191 #829131

analogous

#315291 #403191 #703191

triadic

#403191 #914031 #319140

tetradic

#403191 #913152 #829131 #319170

square

#403191 #913152 #829131 #319170

split-complementary

#403191 #917031 #529131

monochromatic

#181236 #2C2263 #403191 #5441BF #7D6ECE

Accessibility & contrast

On white

10.16

#403191 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#403191 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403191

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403191	#FFFFFF	#000000	##FFFFFF
##403191	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004494

Deuteranopia (green-blind)

#003E8F

Tritanopia (blue-blind)

#1C495C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #403191;
/* rgb */ color: rgb(64, 49, 145);
/* oklch */ color: oklch(39.1% 0.151 284.1);

Tailwind

colors: {
  custom: {
    50: '#7d6ab2',
    500: '#403191',
    950: '#000000',
  },
}

SCSS

$custom: #403191;
$custom-light: #7d6ab2;
$custom-dark: #000000;

JSON

{
  "hex": "#403191",
  "rgb": {
    "r": 64,
    "g": 49,
    "b": 145
  },
  "hsl": {
    "h": 249.375,
    "s": 49.485,
    "l": 38.039
  },
  "oklch": {
    "l": 0.3907,
    "c": 0.15091,
    "h": 284.1
  },
  "luminance": 0.05331
}

Semantic roles & 50–950 ramp

primary

#403191

secondary

#AAB668

accent

#D94FC3

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #403191

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

Preview Lab → · Contrast checker → · Palette generator →