#51666D#51666D

#51666D is a mid, muted cyan. Relative luminance 0.124; OKLCH L 49.6% C 0.028 H 220.1°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#51666D
RGB	rgb(81, 102, 109)
HSL	hsl(195, 15%, 37%)
HSV	hsv(195, 26%, 43%)
CMYK	cmyk(25.7%, 6.4%, 0%, 57.3%)
CIE-LAB	lab(41.78, -6.08, -6.53)
CIE-LCH	lch(41.78, 8.92, 227.02°)
OKLab	oklab(49.57% -0.0211 -0.0178)
OKLCH	oklch(49.57% 0.028 220.1)
XYZ	xyz(10.9042, 12.3558, 16.2754)
Luminance	0.1236 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51666D #6D5851

analogous

#516D66 #51666D #51586D

triadic

#51666D #6D5166 #666D51

tetradic

#51666D #66516D #6D5851 #586D51

square

#51666D #66516D #6D5851 #586D51

split-complementary

#51666D #6D5158 #6D6651

monochromatic

#1D2427 #37454A #51666D #6B8790 #8EA3AB

Accessibility & contrast

On white

6.05

#51666D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#51666D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51666D

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51666D	#FFFFFF	#000000	##FFFFFF
##51666D	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#62656D

Deuteranopia (green-blind)

#5D616D

Tritanopia (blue-blind)

#496868

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #51666d;
/* rgb */ color: rgb(81, 102, 109);
/* oklch */ color: oklch(49.6% 0.028 220.1);

Tailwind

colors: {
  custom: {
    50: '#829196',
    500: '#51666d',
    950: '#000000',
  },
}

SCSS

$custom: #51666d;
$custom-light: #829196;
$custom-dark: #000000;

JSON

{
  "hex": "#51666d",
  "rgb": {
    "r": 81,
    "g": 102,
    "b": 109
  },
  "hsl": {
    "h": 195,
    "s": 14.737,
    "l": 37.255
  },
  "oklch": {
    "l": 0.49571,
    "c": 0.02756,
    "h": 220.1
  },
  "luminance": 0.12356
}

Semantic roles & 50–950 ramp

primary

#51666D

secondary

#998781

accent

#8270B8

background

#F8F8F9

surface

#EFF0F2

border

#CACBCC

text

#0A0C0D

muted

#7C7D7E

Preview Lab

Preview with #51666D

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

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