#404263#404263

#404263 is a dark, muted blue. Relative luminance 0.059; OKLCH L 39.2% C 0.056 H 280.8°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#404263
RGB	rgb(64, 66, 99)
HSL	hsl(237, 21%, 32%)
HSV	hsv(237, 35%, 39%)
CMYK	cmyk(35.4%, 33.3%, 0%, 61.2%)
CIE-LAB	lab(29.13, 7.99, -19.67)
CIE-LCH	lch(29.13, 21.23, 292.11°)
OKLab	oklab(39.2% 0.0105 -0.0548)
OKLCH	oklch(39.2% 0.056 280.8)
XYZ	xyz(6.3141, 5.8871, 12.6056)
Luminance	0.0589 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404263 #636140

analogous

#405463 #404263 #504063

triadic

#404263 #634042 #426340

tetradic

#404263 #634054 #636140 #406350

square

#404263 #634054 #636140 #406350

split-complementary

#404263 #635040 #546340

monochromatic

#101019 #28293E #404263 #585B88 #7779A7

Accessibility & contrast

On white

9.64

#404263 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#404263 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404263

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404263	#FFFFFF	#000000	##FFFFFF
##404263	1.00	9.64	2.18	9.64
#FFFFFF	9.64	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#384664

Deuteranopia (green-blind)

#364362

Tritanopia (blue-blind)

#37484E

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #404263;
/* rgb */ color: rgb(64, 66, 99);
/* oklch */ color: oklch(39.2% 0.056 280.8);

Tailwind

colors: {
  custom: {
    50: '#76768f',
    500: '#404263',
    950: '#000000',
  },
}

SCSS

$custom: #404263;
$custom-light: #76768f;
$custom-dark: #000000;

JSON

{
  "hex": "#404263",
  "rgb": {
    "r": 64,
    "g": 66,
    "b": 99
  },
  "hsl": {
    "h": 236.571,
    "s": 21.472,
    "l": 31.961
  },
  "oklch": {
    "l": 0.39201,
    "c": 0.05575,
    "h": 280.8
  },
  "luminance": 0.05887
}

Semantic roles & 50–950 ramp

primary

#404263

secondary

#93906C

accent

#B96ABE

background

#F7F7F8

surface

#EDEDF0

border

#C8C8CB

text

#08080C

muted

#7B7B7D

Preview Lab

Preview with #404263

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

Preview Lab → · Contrast checker → · Palette generator →