#404579#404579

#404579 is a dark, moderate blue. Relative luminance 0.067; OKLCH L 41.2% C 0.087 H 277.7°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#404579
RGB	rgb(64, 69, 121)
HSL	hsl(235, 31%, 36%)
HSV	hsv(235, 47%, 47%)
CMYK	cmyk(47.1%, 43%, 0%, 52.5%)
CIE-LAB	lab(31.18, 12.94, -30.38)
CIE-LCH	lch(31.18, 33.02, 293.06°)
OKLab	oklab(41.16% 0.0116 -0.0858)
OKLCH	oklch(41.16% 0.087 277.7)
XYZ	xyz(7.6926, 6.7263, 18.9784)
Luminance	0.0673 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404579 #797440

analogous

#406279 #404579 #584079

triadic

#404579 #794045 #457940

tetradic

#404579 #794062 #797440 #407958

square

#404579 #794062 #797440 #407958

split-complementary

#404579 #795840 #627940

monochromatic

#161729 #2B2E51 #404579 #555CA1 #7A80B9

Accessibility & contrast

On white

8.95

#404579 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#404579 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404579

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404579	#FFFFFF	#000000	##FFFFFF
##404579	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314C7B

Deuteranopia (green-blind)

#2D4778

Tritanopia (blue-blind)

#2C5059

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #404579;
/* rgb */ color: rgb(64, 69, 121);
/* oklch */ color: oklch(41.2% 0.087 277.7);

Tailwind

colors: {
  custom: {
    50: '#7878a0',
    500: '#404579',
    950: '#000000',
  },
}

SCSS

$custom: #404579;
$custom-light: #7878a0;
$custom-dark: #000000;

JSON

{
  "hex": "#404579",
  "rgb": {
    "r": 64,
    "g": 69,
    "b": 121
  },
  "hsl": {
    "h": 234.737,
    "s": 30.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.41159,
    "c": 0.08661,
    "h": 277.7
  },
  "luminance": 0.06727
}

Semantic roles & 50–950 ramp

primary

#404579

secondary

#A49F71

accent

#BE61C7

background

#F7F7F9

surface

#EDEDF2

border

#C8C8CC

text

#09090E

muted

#7B7B7E

Preview Lab

Preview with #404579

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

Preview Lab → · Contrast checker → · Palette generator →