#404D83#404D83

#404D83 is a dark, moderate blue. Relative luminance 0.080; OKLCH L 43.6% C 0.091 H 271.9°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#404D83
RGB	rgb(64, 77, 131)
HSL	hsl(228, 34%, 38%)
HSV	hsv(228, 51%, 51%)
CMYK	cmyk(51.1%, 41.2%, 0%, 48.6%)
CIE-LAB	lab(34.06, 10.98, -32.03)
CIE-LCH	lch(34.06, 33.86, 288.92°)
OKLab	oklab(43.55% 0.0031 -0.0906)
OKLCH	oklch(43.55% 0.091 271.9)
XYZ	xyz(8.8637, 8.0359, 22.5524)
Luminance	0.0804 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404D83 #837640

analogous

#406E83 #404D83 #544083

triadic

#404D83 #83404D #4D8340

tetradic

#404D83 #83406E #837640 #408354

square

#404D83 #83406E #837640 #408354

split-complementary

#404D83 #835440 #6E8340

monochromatic

#181D31 #2C355A #404D83 #5465AC #7E8AC0

Accessibility & contrast

On white

8.05

#404D83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#404D83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404D83

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404D83	#FFFFFF	#000000	##FFFFFF
##404D83	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385385

Deuteranopia (green-blind)

#314D82

Tritanopia (blue-blind)

#255861

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #404d83;
/* rgb */ color: rgb(64, 77, 131);
/* oklch */ color: oklch(43.6% 0.091 271.9);

Tailwind

colors: {
  custom: {
    50: '#797ea7',
    500: '#404d83',
    950: '#000000',
  },
}

SCSS

$custom: #404d83;
$custom-light: #797ea7;
$custom-dark: #000000;

JSON

{
  "hex": "#404d83",
  "rgb": {
    "r": 64,
    "g": 77,
    "b": 131
  },
  "hsl": {
    "h": 228.358,
    "s": 34.359,
    "l": 38.235
  },
  "oklch": {
    "l": 0.43552,
    "c": 0.09064,
    "h": 271.9
  },
  "luminance": 0.08036
}

Semantic roles & 50–950 ramp

primary

#404D83

secondary

#AAA075

accent

#B55DCA

background

#F7F7FA

surface

#EEEEF4

border

#C9C9CE

text

#09090F

muted

#7B7B7F

Preview Lab

Preview with #404D83

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

Preview Lab → · Contrast checker → · Palette generator →