#66838D#66838D

#66838D is a mid, muted cyan. Relative luminance 0.210; OKLCH L 59.1% C 0.036 H 220.9°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#66838D
RGB	rgb(102, 131, 141)
HSL	hsl(195, 16%, 48%)
HSV	hsv(195, 28%, 55%)
CMYK	cmyk(27.7%, 7.1%, 0%, 44.7%)
CIE-LAB	lab(52.93, -7.85, -8.76)
CIE-LCH	lch(52.93, 11.76, 228.14°)
OKLab	oklab(59.11% -0.0275 -0.0239)
OKLCH	oklch(59.11% 0.036 220.9)
XYZ	xyz(18.4021, 20.9797, 28.2740)
Luminance	0.2098 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66838D #8D7066

analogous

#668D83 #66838D #666F8D

triadic

#66838D #8D6683 #838D66

tetradic

#66838D #83668D #8D7066 #6F8D66

square

#66838D #83668D #8D7066 #6F8D66

split-complementary

#66838D #8D666F #8D8366

monochromatic

#334146 #4C6269 #66838D #88A0A9 #ABBCC2

Accessibility & contrast

On white

4.04

#66838D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#66838D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66838D

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66838D	#FFFFFF	#000000	##000000
##66838D	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D818E

Deuteranopia (green-blind)

#777C8D

Tritanopia (blue-blind)

#5A8686

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #66838d;
/* rgb */ color: rgb(102, 131, 141);
/* oklch */ color: oklch(59.1% 0.036 220.9);

Tailwind

colors: {
  custom: {
    50: '#92a7ae',
    500: '#66838d',
    950: '#000000',
  },
}

SCSS

$custom: #66838d;
$custom-light: #92a7ae;
$custom-dark: #000000;

JSON

{
  "hex": "#66838d",
  "rgb": {
    "r": 102,
    "g": 131,
    "b": 141
  },
  "hsl": {
    "h": 195.385,
    "s": 16.049,
    "l": 47.647
  },
  "oklch": {
    "l": 0.59115,
    "c": 0.03642,
    "h": 220.9
  },
  "luminance": 0.2098
}

Semantic roles & 50–950 ramp

primary

#66838D

secondary

#B1A39E

accent

#826FB9

background

#F9FAFA

surface

#F1F4F4

border

#CBCECE

text

#0D0F10

muted

#7E7F7F

Preview Lab

Preview with #66838D

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

Preview Lab → · Contrast checker → · Palette generator →