#403291#403291

#403291 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.2% C 0.150 H 283.8°. Best body text is #FFFFFF at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#403291
RGB	rgb(64, 50, 145)
HSL	hsl(249, 49%, 38%)
HSV	hsv(249, 66%, 57%)
CMYK	cmyk(55.9%, 65.5%, 0%, 43.1%)
CIE-LAB	lab(27.89, 33.24, -50.58)
CIE-LCH	lch(27.89, 60.52, 303.31°)
OKLab	oklab(39.24% 0.0357 -0.1453)
OKLCH	oklch(39.24% 0.15 283.8)
XYZ	xyz(8.3642, 5.4150, 27.3870)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403291 #839132

analogous

#325391 #403291 #6F3291

triadic

#403291 #914032 #329140

tetradic

#403291 #913253 #839132 #32916F

square

#403291 #913253 #839132 #32916F

split-complementary

#403291 #916F32 #539132

monochromatic

#181336 #2C2263 #403291 #5442BE #7E70CE

Accessibility & contrast

On white

10.08

#403291 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#403291 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403291

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403291	#FFFFFF	#000000	##FFFFFF
##403291	1.00	10.08	2.08	10.08
#FFFFFF	10.08	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004594

Deuteranopia (green-blind)

#003F8F

Tritanopia (blue-blind)

#1C495D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #403291;
/* rgb */ color: rgb(64, 50, 145);
/* oklch */ color: oklch(39.2% 0.150 283.8);

Tailwind

colors: {
  custom: {
    50: '#7d6bb2',
    500: '#403291',
    950: '#000000',
  },
}

SCSS

$custom: #403291;
$custom-light: #7d6bb2;
$custom-dark: #000000;

JSON

{
  "hex": "#403291",
  "rgb": {
    "r": 64,
    "g": 50,
    "b": 145
  },
  "hsl": {
    "h": 248.842,
    "s": 48.718,
    "l": 38.235
  },
  "oklch": {
    "l": 0.39237,
    "c": 0.1496,
    "h": 283.8
  },
  "luminance": 0.05416
}

Semantic roles & 50–950 ramp

primary

#403291

secondary

#AAB569

accent

#D850C4

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #403291

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

Preview Lab → · Contrast checker → · Palette generator →