#40445C#40445C

#40445C is a dark, muted blue. Relative luminance 0.060; OKLCH L 39.3% C 0.041 H 277.0°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#40445C
RGB	rgb(64, 68, 92)
HSL	hsl(231, 18%, 31%)
HSV	hsv(231, 30%, 36%)
CMYK	cmyk(30.4%, 26.1%, 0%, 63.9%)
CIE-LAB	lab(29.40, 4.62, -14.75)
CIE-LCH	lch(29.40, 15.45, 287.38°)
OKLab	oklab(39.31% 0.005 -0.0407)
OKLCH	oklch(39.31% 0.041 277)
XYZ	xyz(6.1127, 5.9968, 10.9586)
Luminance	0.0600 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40445C #5C5840

analogous

#40525C #40445C #4A405C

triadic

#40445C #5C4044 #445C40

tetradic

#40445C #5C4052 #5C5840 #405C4A

square

#40445C #5C4052 #5C5840 #405C4A

split-complementary

#40445C #5C4A40 #525C40

monochromatic

#0E0F14 #272938 #40445C #595F80 #767CA0

Accessibility & contrast

On white

9.55

#40445C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#40445C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40445C

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40445C	#FFFFFF	#000000	##FFFFFF
##40445C	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D465D

Deuteranopia (green-blind)

#3B445B

Tritanopia (blue-blind)

#39484C

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #40445c;
/* rgb */ color: rgb(64, 68, 92);
/* oklch */ color: oklch(39.3% 0.041 277.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#40445c",
  "rgb": {
    "r": 64,
    "g": 68,
    "b": 92
  },
  "hsl": {
    "h": 231.429,
    "s": 17.949,
    "l": 30.588
  },
  "oklch": {
    "l": 0.39309,
    "c": 0.041,
    "h": 277
  },
  "luminance": 0.05997
}

Semantic roles & 50–950 ramp

primary

#40445C

secondary

#8B876C

accent

#B06DBB

background

#F7F7F8

surface

#EDEDF0

border

#C8C8CB

text

#08080B

muted

#7B7B7C

Preview Lab

Preview with #40445C

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

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