#404C6A#404C6A

#404C6A is a dark, muted blue. Relative luminance 0.073; OKLCH L 41.9% C 0.053 H 267.3°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#404C6A
RGB	rgb(64, 76, 106)
HSL	hsl(223, 25%, 33%)
HSV	hsv(223, 40%, 42%)
CMYK	cmyk(39.6%, 28.3%, 0%, 58.4%)
CIE-LAB	lab(32.48, 3.57, -18.92)
CIE-LCH	lch(32.48, 19.25, 280.69°)
OKLab	oklab(41.91% -0.0024 -0.0526)
OKLCH	oklch(41.91% 0.053 267.3)
XYZ	xyz(7.2995, 7.2991, 14.6571)
Luminance	0.0730 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404C6A #6A5E40

analogous

#40616A #404C6A #49406A

triadic

#404C6A #6A404C #4C6A40

tetradic

#404C6A #6A4061 #6A5E40 #406A49

square

#404C6A #6A4061 #6A5E40 #406A49

split-complementary

#404C6A #6A4940 #616A40

monochromatic

#12151E #293144 #404C6A #576790 #7787AD

Accessibility & contrast

On white

8.54

#404C6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#404C6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404C6A

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404C6A	#FFFFFF	#000000	##FFFFFF
##404C6A	1.00	8.54	2.46	8.54
#FFFFFF	8.54	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424E6B

Deuteranopia (green-blind)

#3E4B69

Tritanopia (blue-blind)

#335256

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #404c6a;
/* rgb */ color: rgb(64, 76, 106);
/* oklch */ color: oklch(41.9% 0.053 267.3);

Tailwind

colors: {
  custom: {
    50: '#767d94',
    500: '#404c6a',
    950: '#000000',
  },
}

SCSS

$custom: #404c6a;
$custom-light: #767d94;
$custom-dark: #000000;

JSON

{
  "hex": "#404c6a",
  "rgb": {
    "r": 64,
    "g": 76,
    "b": 106
  },
  "hsl": {
    "h": 222.857,
    "s": 24.706,
    "l": 33.333
  },
  "oklch": {
    "l": 0.41911,
    "c": 0.05266,
    "h": 267.3
  },
  "luminance": 0.07299
}

Semantic roles & 50–950 ramp

primary

#404C6A

secondary

#988C6D

accent

#A767C1

background

#F7F7F9

surface

#EDEEF1

border

#C8C9CB

text

#08090D

muted

#7B7B7E

Preview Lab

Preview with #404C6A

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

Preview Lab → · Contrast checker → · Palette generator →