#5A666C#5A666C

#5A666C is a mid, near-neutral cyan. Relative luminance 0.128; OKLCH L 50.2% C 0.018 H 229.3°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#5A666C
RGB	rgb(90, 102, 108)
HSL	hsl(200, 9%, 39%)
HSV	hsv(200, 17%, 42%)
CMYK	cmyk(16.7%, 5.6%, 0%, 57.6%)
CIE-LAB	lab(42.40, -3.17, -4.92)
CIE-LCH	lch(42.40, 5.86, 237.20°)
OKLab	oklab(50.22% -0.0115 -0.0133)
OKLCH	oklch(50.22% 0.018 229.3)
XYZ	xyz(11.6739, 12.7588, 16.0321)
Luminance	0.1276 (WCAG relative)
Temperature	neutral
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A666C #6C605A

analogous

#5A6C69 #5A666C #5A5D6C

triadic

#5A666C #6C5A66 #666C5A

tetradic

#5A666C #695A6C #6C605A #5D6C5A

square

#5A666C #695A6C #6C605A #5D6C5A

split-complementary

#5A666C #6C5A5D #6C695A

monochromatic

#222729 #3E464B #5A666C #76858D #98A3A9

Accessibility & contrast

On white

5.91

#5A666C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#5A666C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5A666C

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A666C	#FFFFFF	#000000	##FFFFFF
##5A666C	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#63656C

Deuteranopia (green-blind)

#60636C

Tritanopia (blue-blind)

#556868

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #5a666c;
/* rgb */ color: rgb(90, 102, 108);
/* oklch */ color: oklch(50.2% 0.018 229.3);

Tailwind

colors: {
  custom: {
    50: '#889196',
    500: '#5a666c',
    950: '#000000',
  },
}

SCSS

$custom: #5a666c;
$custom-light: #889196;
$custom-dark: #000000;

JSON

{
  "hex": "#5a666c",
  "rgb": {
    "r": 90,
    "g": 102,
    "b": 108
  },
  "hsl": {
    "h": 200,
    "s": 9.091,
    "l": 38.824
  },
  "oklch": {
    "l": 0.50219,
    "c": 0.01756,
    "h": 229.3
  },
  "luminance": 0.12759
}

Semantic roles & 50–950 ramp

primary

#5A666C

secondary

#988F8A

accent

#8A76B2

background

#F8F8F9

surface

#F0F0F1

border

#CBCBCB

text

#0B0C0D

muted

#7C7D7E

Preview Lab

Preview with #5A666C

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

Preview Lab → · Contrast checker → · Palette generator →