#404F83#404F83

#404F83 is a dark, moderate blue. Relative luminance 0.083; OKLCH L 44.0% C 0.088 H 270.3°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#404F83
RGB	rgb(64, 79, 131)
HSL	hsl(227, 34%, 38%)
HSV	hsv(227, 51%, 51%)
CMYK	cmyk(51.1%, 39.7%, 0%, 48.6%)
CIE-LAB	lab(34.64, 9.67, -31.10)
CIE-LCH	lch(34.64, 32.57, 287.26°)
OKLab	oklab(44% 0.0005 -0.0879)
OKLCH	oklch(44% 0.088 270.3)
XYZ	xyz(9.0058, 8.3201, 22.5997)
Luminance	0.0832 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404F83 #837440

analogous

#407083 #404F83 #524083

triadic

#404F83 #83404F #4F8340

tetradic

#404F83 #834070 #837440 #408352

square

#404F83 #834070 #837440 #408352

split-complementary

#404F83 #835240 #708340

monochromatic

#181D31 #2C365A #404F83 #5468AC #7E8CC0

Accessibility & contrast

On white

7.88

#404F83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#404F83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404F83

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404F83	#FFFFFF	#000000	##FFFFFF
##404F83	1.00	7.88	2.66	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B5585

Deuteranopia (green-blind)

#344F82

Tritanopia (blue-blind)

#245A62

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #404f83;
/* rgb */ color: rgb(64, 79, 131);
/* oklch */ color: oklch(44.0% 0.088 270.3);

Tailwind

colors: {
  custom: {
    50: '#7980a7',
    500: '#404f83',
    950: '#000000',
  },
}

SCSS

$custom: #404f83;
$custom-light: #7980a7;
$custom-dark: #000000;

JSON

{
  "hex": "#404f83",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 131
  },
  "hsl": {
    "h": 226.567,
    "s": 34.359,
    "l": 38.235
  },
  "oklch": {
    "l": 0.44001,
    "c": 0.08788,
    "h": 270.3
  },
  "luminance": 0.08321
}

Semantic roles & 50–950 ramp

primary

#404F83

secondary

#AA9E75

accent

#B25DCA

background

#F7F7FA

surface

#EEEEF4

border

#C9C9CE

text

#090A0F

muted

#7B7C7F

Preview Lab

Preview with #404F83

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

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