#40545E#40545E

#40545E is a dark, muted cyan. Relative luminance 0.082; OKLCH L 43.3% C 0.030 H 229.9°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#40545E
RGB	rgb(64, 84, 94)
HSL	hsl(200, 19%, 31%)
HSV	hsv(200, 32%, 37%)
CMYK	cmyk(31.9%, 10.6%, 0%, 63.1%)
CIE-LAB	lab(34.47, -4.99, -8.31)
CIE-LCH	lch(34.47, 9.69, 239.04°)
OKLab	oklab(43.32% -0.0191 -0.0227)
OKLCH	oklch(43.32% 0.03 229.9)
XYZ	xyz(7.3044, 8.2385, 11.7928)
Luminance	0.0824 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40545E #5E4A40

analogous

#405E59 #40545E #40455E

triadic

#40545E #5E4054 #545E40

tetradic

#40545E #59405E #5E4A40 #455E40

square

#40545E #59405E #5E4A40 #455E40

split-complementary

#40545E #5E4045 #5E5940

monochromatic

#0E1315 #27333A #40545E #597582 #7693A2

Accessibility & contrast

On white

7.93

#40545E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#40545E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40545E

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40545E	#FFFFFF	#000000	##FFFFFF
##40545E	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F535F

Deuteranopia (green-blind)

#4B505E

Tritanopia (blue-blind)

#375757

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #40545e;
/* rgb */ color: rgb(64, 84, 94);
/* oklch */ color: oklch(43.3% 0.030 229.9);

Tailwind

colors: {
  custom: {
    50: '#76848b',
    500: '#40545e',
    950: '#000000',
  },
}

SCSS

$custom: #40545e;
$custom-light: #76848b;
$custom-dark: #000000;

JSON

{
  "hex": "#40545e",
  "rgb": {
    "r": 64,
    "g": 84,
    "b": 94
  },
  "hsl": {
    "h": 200,
    "s": 18.987,
    "l": 30.98
  },
  "oklch": {
    "l": 0.43315,
    "c": 0.02969,
    "h": 229.9
  },
  "luminance": 0.08239
}

Semantic roles & 50–950 ramp

primary

#40545E

secondary

#8D776C

accent

#876CBC

background

#F7F8F8

surface

#EDEFF0

border

#C8CACB

text

#080A0C

muted

#7B7C7D

Preview Lab

Preview with #40545E

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

Preview Lab → · Contrast checker → · Palette generator →