#404052#404052

#404052 is a dark, muted blue. Relative luminance 0.054; OKLCH L 37.9% C 0.031 H 284.9°. Best body text is #FFFFFF at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#404052
RGB	rgb(64, 64, 82)
HSL	hsl(240, 12%, 29%)
HSV	hsv(240, 22%, 32%)
CMYK	cmyk(22%, 22%, 0%, 67.8%)
CIE-LAB	lab(27.75, 4.46, -10.80)
CIE-LCH	lch(27.75, 11.68, 292.43°)
OKLab	oklab(37.88% 0.0078 -0.0295)
OKLCH	oklch(37.88% 0.031 284.9)
XYZ	xyz(5.4704, 5.3659, 8.7285)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404052 #525240

analogous

#404952 #404052 #494052

triadic

#404052 #524040 #405240

tetradic

#404052 #524049 #525240 #405249

square

#404052 #524049 #525240 #405249

split-complementary

#404052 #524940 #495240

monochromatic

#0D0D11 #252530 #404052 #5B5B74 #777795

Accessibility & contrast

On white

10.13

#404052 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#404052 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404052

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404052	#FFFFFF	#000000	##FFFFFF
##404052	1.00	10.13	2.07	10.13
#FFFFFF	10.13	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C4253

Deuteranopia (green-blind)

#3B4152

Tritanopia (blue-blind)

#3C4346

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #404052;
/* rgb */ color: rgb(64, 64, 82);
/* oklch */ color: oklch(37.9% 0.031 284.9);

Tailwind

colors: {
  custom: {
    50: '#757482',
    500: '#404052',
    950: '#000000',
  },
}

SCSS

$custom: #404052;
$custom-light: #757482;
$custom-dark: #000000;

JSON

{
  "hex": "#404052",
  "rgb": {
    "r": 64,
    "g": 64,
    "b": 82
  },
  "hsl": {
    "h": 240,
    "s": 12.329,
    "l": 28.627
  },
  "oklch": {
    "l": 0.37883,
    "c": 0.03054,
    "h": 284.9
  },
  "luminance": 0.05366
}

Semantic roles & 50–950 ramp

primary

#404052

secondary

#81816D

accent

#B573B5

background

#F7F7F7

surface

#EDEDEE

border

#C8C8C9

text

#08080A

muted

#7B7B7C

Preview Lab

Preview with #404052

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

Preview Lab → · Contrast checker → · Palette generator →