#516B71#516B71

#516B71 is a mid, muted cyan. Relative luminance 0.135; OKLCH L 50.9% C 0.032 H 213.4°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#516B71
RGB	rgb(81, 107, 113)
HSL	hsl(191, 16%, 38%)
HSV	hsv(191, 28%, 44%)
CMYK	cmyk(28.3%, 5.3%, 0%, 55.7%)
CIE-LAB	lab(43.44, -7.99, -6.47)
CIE-LCH	lch(43.44, 10.28, 219.00°)
OKLab	oklab(50.94% -0.0267 -0.0176)
OKLCH	oklch(50.94% 0.032 213.4)
XYZ	xyz(11.6308, 13.4565, 17.6041)
Luminance	0.1346 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516B71 #715751

analogous

#517167 #516B71 #515B71

triadic

#516B71 #71516B #6B7151

tetradic

#516B71 #675171 #715751 #5B7151

square

#516B71 #675171 #715751 #5B7151

split-complementary

#516B71 #71515B #716751

monochromatic

#1E272A #37494D #516B71 #6B8D95 #8EA8AE

Accessibility & contrast

On white

5.69

#516B71 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#516B71 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516B71

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516B71	#FFFFFF	#000000	##FFFFFF
##516B71	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#666971

Deuteranopia (green-blind)

#616571

Tritanopia (blue-blind)

#476E6D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #516b71;
/* rgb */ color: rgb(81, 107, 113);
/* oklch */ color: oklch(50.9% 0.032 213.4);

Tailwind

colors: {
  custom: {
    50: '#839599',
    500: '#516b71',
    950: '#000000',
  },
}

SCSS

$custom: #516b71;
$custom-light: #839599;
$custom-dark: #000000;

JSON

{
  "hex": "#516b71",
  "rgb": {
    "r": 81,
    "g": 107,
    "b": 113
  },
  "hsl": {
    "h": 191.25,
    "s": 16.495,
    "l": 38.039
  },
  "oklch": {
    "l": 0.50937,
    "c": 0.032,
    "h": 213.4
  },
  "luminance": 0.13457
}

Semantic roles & 50–950 ramp

primary

#516B71

secondary

#9C8782

accent

#7D6FB9

background

#F8F9F9

surface

#EFF1F2

border

#CACBCC

text

#0A0D0E

muted

#7C7E7E

Preview Lab

Preview with #516B71

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

Preview Lab → · Contrast checker → · Palette generator →