#545F66#545F66

#545F66 is a mid, near-neutral cyan. Relative luminance 0.110; OKLCH L 47.9% C 0.018 H 235.7°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#545F66
RGB	rgb(84, 95, 102)
HSL	hsl(203, 10%, 36%)
HSV	hsv(203, 18%, 40%)
CMYK	cmyk(17.6%, 6.9%, 0%, 60%)
CIE-LAB	lab(39.63, -2.59, -5.42)
CIE-LCH	lch(39.63, 6.01, 244.47°)
OKLab	oklab(47.85% -0.01 -0.0147)
OKLCH	oklch(47.85% 0.018 235.7)
XYZ	xyz(10.1460, 11.0283, 14.1619)
Luminance	0.1103 (WCAG relative)
Temperature	neutral
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545F66 #665B54

analogous

#546664 #545F66 #545666

triadic

#545F66 #66545F #5F6654

tetradic

#545F66 #645466 #665B54 #566654

square

#545F66 #645466 #665B54 #566654

split-complementary

#545F66 #665456 #666454

monochromatic

#1D2023 #384044 #545F66 #707E88 #909CA4

Accessibility & contrast

On white

6.55

#545F66 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#545F66 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545F66

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545F66	#FFFFFF	#000000	##FFFFFF
##545F66	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5F66

Deuteranopia (green-blind)

#595C66

Tritanopia (blue-blind)

#4F6161

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #545f66;
/* rgb */ color: rgb(84, 95, 102);
/* oklch */ color: oklch(47.9% 0.018 235.7);

Tailwind

colors: {
  custom: {
    50: '#848c91',
    500: '#545f66',
    950: '#000000',
  },
}

SCSS

$custom: #545f66;
$custom-light: #848c91;
$custom-dark: #000000;

JSON

{
  "hex": "#545f66",
  "rgb": {
    "r": 84,
    "g": 95,
    "b": 102
  },
  "hsl": {
    "h": 203.333,
    "s": 9.677,
    "l": 36.471
  },
  "oklch": {
    "l": 0.47853,
    "c": 0.01774,
    "h": 235.7
  },
  "luminance": 0.11029
}

Semantic roles & 50–950 ramp

primary

#545F66

secondary

#938983

accent

#8D75B3

background

#F8F8F8

surface

#EFF0F0

border

#CACBCB

text

#0B0C0C

muted

#7C7D7D

Preview Lab

Preview with #545F66

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

Preview Lab → · Contrast checker → · Palette generator →