#40445F#40445F

#40445F is a dark, muted blue. Relative luminance 0.060; OKLCH L 39.5% C 0.046 H 277.6°. Best body text is #FFFFFF at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#40445F
RGB	rgb(64, 68, 95)
HSL	hsl(232, 19%, 31%)
HSV	hsv(232, 33%, 37%)
CMYK	cmyk(32.6%, 28.4%, 0%, 62.7%)
CIE-LAB	lab(29.54, 5.49, -16.47)
CIE-LCH	lch(29.54, 17.36, 288.43°)
OKLab	oklab(39.46% 0.0061 -0.0456)
OKLCH	oklch(39.46% 0.046 277.6)
XYZ	xyz(6.2465, 6.0503, 11.6630)
Luminance	0.0605 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40445F #5F5B40

analogous

#40535F #40445F #4B405F

triadic

#40445F #5F4044 #445F40

tetradic

#40445F #5F4053 #5F5B40 #405F4B

square

#40445F #5F4053 #5F5B40 #405F4B

split-complementary

#40445F #5F4B40 #535F40

monochromatic

#0F1016 #272A3A #40445F #595E84 #767CA3

Accessibility & contrast

On white

9.50

#40445F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#40445F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40445F

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40445F	#FFFFFF	#000000	##FFFFFF
##40445F	1.00	9.50	2.21	9.50
#FFFFFF	9.50	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C4760

Deuteranopia (green-blind)

#3A455E

Tritanopia (blue-blind)

#38494D

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #40445f;
/* rgb */ color: rgb(64, 68, 95);
/* oklch */ color: oklch(39.5% 0.046 277.6);

Tailwind

colors: {
  custom: {
    50: '#75778c',
    500: '#40445f',
    950: '#000000',
  },
}

SCSS

$custom: #40445f;
$custom-light: #75778c;
$custom-dark: #000000;

JSON

{
  "hex": "#40445f",
  "rgb": {
    "r": 64,
    "g": 68,
    "b": 95
  },
  "hsl": {
    "h": 232.258,
    "s": 19.497,
    "l": 31.176
  },
  "oklch": {
    "l": 0.39458,
    "c": 0.04598,
    "h": 277.6
  },
  "luminance": 0.0605
}

Semantic roles & 50–950 ramp

primary

#40445F

secondary

#8F8A6C

accent

#B26CBC

background

#F7F7F8

surface

#EDEDF0

border

#C8C8CB

text

#08080C

muted

#7B7B7D

Preview Lab

Preview with #40445F

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

Preview Lab → · Contrast checker → · Palette generator →