#404C6E#404C6E

#404C6E is a dark, muted blue. Relative luminance 0.074; OKLCH L 42.1% C 0.059 H 268.9°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#404C6E
RGB	rgb(64, 76, 110)
HSL	hsl(224, 26%, 34%)
HSV	hsv(224, 42%, 43%)
CMYK	cmyk(41.8%, 30.9%, 0%, 56.9%)
CIE-LAB	lab(32.67, 4.81, -21.14)
CIE-LCH	lch(32.67, 21.68, 282.81°)
OKLab	oklab(42.12% -0.0011 -0.059)
OKLCH	oklch(42.12% 0.059 268.9)
XYZ	xyz(7.5124, 7.3843, 15.7783)
Luminance	0.0738 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404C6E #6E6240

analogous

#40636E #404C6E #4B406E

triadic

#404C6E #6E404C #4C6E40

tetradic

#404C6E #6E4063 #6E6240 #406E4B

square

#404C6E #6E4063 #6E6240 #406E4B

split-complementary

#404C6E #6E4B40 #636E40

monochromatic

#131721 #293147 #404C6E #576795 #7887B0

Accessibility & contrast

On white

8.48

#404C6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#404C6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404C6E

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404C6E	#FFFFFF	#000000	##FFFFFF
##404C6E	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404F6F

Deuteranopia (green-blind)

#3C4B6D

Tritanopia (blue-blind)

#315358

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #404c6e;
/* rgb */ color: rgb(64, 76, 110);
/* oklch */ color: oklch(42.1% 0.059 268.9);

Tailwind

colors: {
  custom: {
    50: '#777d97',
    500: '#404c6e',
    950: '#000000',
  },
}

SCSS

$custom: #404c6e;
$custom-light: #777d97;
$custom-dark: #000000;

JSON

{
  "hex": "#404c6e",
  "rgb": {
    "r": 64,
    "g": 76,
    "b": 110
  },
  "hsl": {
    "h": 224.348,
    "s": 26.437,
    "l": 34.118
  },
  "oklch": {
    "l": 0.42119,
    "c": 0.059,
    "h": 268.9
  },
  "luminance": 0.07385
}

Semantic roles & 50–950 ramp

primary

#404C6E

secondary

#9B906E

accent

#AA65C3

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#09090D

muted

#7B7B7E

Preview Lab

Preview with #404C6E

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

Preview Lab → · Contrast checker → · Palette generator →