#404454#404454

#404454 is a dark, muted blue. Relative luminance 0.059; OKLCH L 38.9% C 0.028 H 274.0°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#404454
RGB	rgb(64, 68, 84)
HSL	hsl(228, 14%, 29%)
HSV	hsv(228, 24%, 33%)
CMYK	cmyk(23.8%, 19%, 0%, 67.1%)
CIE-LAB	lab(29.07, 2.38, -10.10)
CIE-LCH	lch(29.07, 10.38, 283.27°)
OKLab	oklab(38.93% 0.002 -0.0276)
OKLCH	oklch(38.93% 0.028 274)
XYZ	xyz(5.7813, 5.8642, 9.2131)
Luminance	0.0586 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404454 #545040

analogous

#404E54 #404454 #464054

triadic

#404454 #544044 #445440

tetradic

#404454 #54404E #545040 #405446

square

#404454 #54404E #545040 #405446

split-complementary

#404454 #544640 #4E5440

monochromatic

#0D0E11 #262831 #404454 #5A6077 #777D97

Accessibility & contrast

On white

9.66

#404454 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#404454 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404454

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404454	#FFFFFF	#000000	##FFFFFF
##404454	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404555

Deuteranopia (green-blind)

#3E4454

Tritanopia (blue-blind)

#3B4749

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #404454;
/* rgb */ color: rgb(64, 68, 84);
/* oklch */ color: oklch(38.9% 0.028 274.0);

Tailwind

colors: {
  custom: {
    50: '#757784',
    500: '#404454',
    950: '#000000',
  },
}

SCSS

$custom: #404454;
$custom-light: #757784;
$custom-dark: #000000;

JSON

{
  "hex": "#404454",
  "rgb": {
    "r": 64,
    "g": 68,
    "b": 84
  },
  "hsl": {
    "h": 228,
    "s": 13.514,
    "l": 29.02
  },
  "oklch": {
    "l": 0.38935,
    "c": 0.02766,
    "h": 274
  },
  "luminance": 0.05864
}

Semantic roles & 50–950 ramp

primary

#404454

secondary

#837F6D

accent

#A971B6

background

#F7F7F8

surface

#EDEDEF

border

#C8C8CA

text

#08080A

muted

#7B7B7C

Preview Lab

Preview with #404454

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

Preview Lab → · Contrast checker → · Palette generator →