#5A666E#5A666E

#5A666E is a mid, near-neutral cyan. Relative luminance 0.128; OKLCH L 50.3% C 0.019 H 237.0°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#5A666E
RGB	rgb(90, 102, 110)
HSL	hsl(204, 10%, 39%)
HSV	hsv(204, 18%, 43%)
CMYK	cmyk(18.2%, 7.3%, 0%, 56.9%)
CIE-LAB	lab(42.46, -2.69, -6.04)
CIE-LCH	lch(42.46, 6.62, 245.96°)
OKLab	oklab(50.29% -0.0106 -0.0163)
OKLCH	oklch(50.29% 0.019 237)
XYZ	xyz(11.7816, 12.8019, 16.5991)
Luminance	0.1280 (WCAG relative)
Temperature	neutral
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A666E #6E625A

analogous

#5A6E6C #5A666E #5A5C6E

triadic

#5A666E #6E5A66 #666E5A

tetradic

#5A666E #6C5A6E #6E625A #5C6E5A

square

#5A666E #6C5A6E #6E625A #5C6E5A

split-complementary

#5A666E #6E5A5C #6E6C5A

monochromatic

#23282B #3E474C #5A666E #76858F #98A3AB

Accessibility & contrast

On white

5.90

#5A666E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#5A666E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5A666E

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A666E	#FFFFFF	#000000	##FFFFFF
##5A666E	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#63666E

Deuteranopia (green-blind)

#60636E

Tritanopia (blue-blind)

#556868

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #5a666e;
/* rgb */ color: rgb(90, 102, 110);
/* oklch */ color: oklch(50.3% 0.019 237.0);

Tailwind

colors: {
  custom: {
    50: '#899197',
    500: '#5a666e',
    950: '#000000',
  },
}

SCSS

$custom: #5a666e;
$custom-light: #899197;
$custom-dark: #000000;

JSON

{
  "hex": "#5a666e",
  "rgb": {
    "r": 90,
    "g": 102,
    "b": 110
  },
  "hsl": {
    "h": 204,
    "s": 10,
    "l": 39.216
  },
  "oklch": {
    "l": 0.50292,
    "c": 0.01949,
    "h": 237
  },
  "luminance": 0.12802
}

Semantic roles & 50–950 ramp

primary

#5A666E

secondary

#9A908A

accent

#8E75B3

background

#F8F8F9

surface

#F0F0F2

border

#CBCBCC

text

#0B0C0D

muted

#7C7D7E

Preview Lab

Preview with #5A666E

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

Preview Lab → · Contrast checker → · Palette generator →