#404C5E#404C5E

#404C5E is a dark, muted blue. Relative luminance 0.071; OKLCH L 41.3% C 0.034 H 258.4°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#404C5E
RGB	rgb(64, 76, 94)
HSL	hsl(216, 19%, 31%)
HSV	hsv(216, 32%, 37%)
CMYK	cmyk(31.9%, 19.1%, 0%, 63.1%)
CIE-LAB	lab(31.96, 0.02, -12.12)
CIE-LCH	lch(31.96, 12.12, 270.09°)
OKLab	oklab(41.33% -0.0069 -0.0333)
OKLCH	oklch(41.33% 0.034 258.4)
XYZ	xyz(6.7186, 7.0668, 11.5975)
Luminance	0.0707 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404C5E #5E5240

analogous

#405B5E #404C5E #43405E

triadic

#404C5E #5E404C #4C5E40

tetradic

#404C5E #5E405B #5E5240 #405E43

square

#404C5E #5E405B #5E5240 #405E43

split-complementary

#404C5E #5E4340 #5B5E40

monochromatic

#0E1115 #272F3A #404C5E #596982 #7688A2

Accessibility & contrast

On white

8.70

#404C5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#404C5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404C5E

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404C5E	#FFFFFF	#000000	##FFFFFF
##404C5E	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464D5F

Deuteranopia (green-blind)

#434A5E

Tritanopia (blue-blind)

#375052

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #404c5e;
/* rgb */ color: rgb(64, 76, 94);
/* oklch */ color: oklch(41.3% 0.034 258.4);

Tailwind

colors: {
  custom: {
    50: '#757e8b',
    500: '#404c5e',
    950: '#000000',
  },
}

SCSS

$custom: #404c5e;
$custom-light: #757e8b;
$custom-dark: #000000;

JSON

{
  "hex": "#404c5e",
  "rgb": {
    "r": 64,
    "g": 76,
    "b": 94
  },
  "hsl": {
    "h": 216,
    "s": 18.987,
    "l": 30.98
  },
  "oklch": {
    "l": 0.41332,
    "c": 0.03399,
    "h": 258.4
  },
  "luminance": 0.07067
}

Semantic roles & 50–950 ramp

primary

#404C5E

secondary

#8D806C

accent

#9C6CBC

background

#F7F7F8

surface

#EDEEF0

border

#C8C9CB

text

#08090C

muted

#7B7B7D

Preview Lab

Preview with #404C5E

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

Preview Lab → · Contrast checker → · Palette generator →