#404591#404591

#404591 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.8% C 0.123 H 277.0°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#404591
RGB	rgb(64, 69, 145)
HSL	hsl(236, 39%, 41%)
HSV	hsv(236, 56%, 57%)
CMYK	cmyk(55.9%, 52.4%, 0%, 43.1%)
CIE-LAB	lab(32.68, 21.01, -42.82)
CIE-LCH	lch(32.68, 47.70, 296.13°)
OKLab	oklab(42.78% 0.015 -0.1223)
OKLCH	oklch(42.78% 0.123 277)
XYZ	xyz(9.3517, 7.3899, 27.7162)
Luminance	0.0739 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404591 #918C40

analogous

#406D91 #404591 #634091

triadic

#404591 #914045 #459140

tetradic

#404591 #91406D #918C40 #409163

square

#404591 #91406D #918C40 #409163

split-complementary

#404591 #916340 #6D9140

monochromatic

#1B1D3C #2D3167 #404591 #595EB6 #8387C8

Accessibility & contrast

On white

8.47

#404591 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#404591 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404591

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404591	#FFFFFF	#000000	##FFFFFF
##404591	1.00	8.47	2.48	8.47
#FFFFFF	8.47	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D5094

Deuteranopia (green-blind)

#114A8F

Tritanopia (blue-blind)

#185664

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #404591;
/* rgb */ color: rgb(64, 69, 145);
/* oklch */ color: oklch(42.8% 0.123 277.0);

Tailwind

colors: {
  custom: {
    50: '#7c78b2',
    500: '#404591',
    950: '#000000',
  },
}

SCSS

$custom: #404591;
$custom-light: #7c78b2;
$custom-dark: #000000;

JSON

{
  "hex": "#404591",
  "rgb": {
    "r": 64,
    "g": 69,
    "b": 145
  },
  "hsl": {
    "h": 236.296,
    "s": 38.756,
    "l": 40.98
  },
  "oklch": {
    "l": 0.42784,
    "c": 0.12325,
    "h": 277
  },
  "luminance": 0.07391
}

Semantic roles & 50–950 ramp

primary

#404591

secondary

#B3AF7A

accent

#C759CF

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #404591

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

Preview Lab → · Contrast checker → · Palette generator →