#555D64#555D64

#555D64 is a mid, near-neutral cyan. Relative luminance 0.107; OKLCH L 47.4% C 0.015 H 244.5°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#555D64
RGB	rgb(85, 93, 100)
HSL	hsl(208, 8%, 36%)
HSV	hsv(208, 15%, 39%)
CMYK	cmyk(15%, 7%, 0%, 60.8%)
CIE-LAB	lab(39.04, -1.49, -5.06)
CIE-LCH	lch(39.04, 5.28, 253.56°)
OKLab	oklab(47.39% -0.0065 -0.0136)
OKLCH	oklch(47.39% 0.015 244.5)
XYZ	xyz(9.9604, 10.6799, 13.5908)
Luminance	0.1068 (WCAG relative)
Temperature	neutral
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555D64 #645C55

analogous

#556464 #555D64 #555664

triadic

#555D64 #64555D #5D6455

tetradic

#555D64 #645564 #645C55 #566455

square

#555D64 #645564 #645C55 #566455

split-complementary

#555D64 #645556 #646455

monochromatic

#1D1F22 #393E43 #555D64 #717C85 #919AA2

Accessibility & contrast

On white

6.70

#555D64 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#555D64 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555D64

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555D64	#FFFFFF	#000000	##FFFFFF
##555D64	1.00	6.70	3.14	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5D64

Deuteranopia (green-blind)

#585B64

Tritanopia (blue-blind)

#515F5F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #555d64;
/* rgb */ color: rgb(85, 93, 100);
/* oklch */ color: oklch(47.4% 0.015 244.5);

Tailwind

colors: {
  custom: {
    50: '#858a90',
    500: '#555d64',
    950: '#000000',
  },
}

SCSS

$custom: #555d64;
$custom-light: #858a90;
$custom-dark: #000000;

JSON

{
  "hex": "#555d64",
  "rgb": {
    "r": 85,
    "g": 93,
    "b": 100
  },
  "hsl": {
    "h": 208,
    "s": 8.108,
    "l": 36.275
  },
  "oklch": {
    "l": 0.47385,
    "c": 0.01513,
    "h": 244.5
  },
  "luminance": 0.1068
}

Semantic roles & 50–950 ramp

primary

#555D64

secondary

#918A84

accent

#9277B1

background

#F8F8F8

surface

#EFF0F0

border

#CACBCB

text

#0B0B0C

muted

#7C7C7D

Preview Lab

Preview with #555D64

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

Preview Lab → · Contrast checker → · Palette generator →