#515D64#515D64

#515D64 is a mid, near-neutral cyan. Relative luminance 0.105; OKLCH L 47.1% C 0.019 H 233.4°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#515D64
RGB	rgb(81, 93, 100)
HSL	hsl(202, 10%, 35%)
HSV	hsv(202, 19%, 39%)
CMYK	cmyk(19%, 7%, 0%, 60.8%)
CIE-LAB	lab(38.72, -2.96, -5.56)
CIE-LCH	lch(38.72, 6.30, 242.01°)
OKLab	oklab(47.06% -0.0112 -0.0151)
OKLCH	oklch(47.06% 0.019 233.4)
XYZ	xyz(9.6073, 10.4979, 13.5742)
Luminance	0.1050 (WCAG relative)
Temperature	neutral
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515D64 #645851

analogous

#516461 #515D64 #515364

triadic

#515D64 #64515D #5D6451

tetradic

#515D64 #615164 #645851 #536451

square

#515D64 #615164 #645851 #536451

split-complementary

#515D64 #645153 #646151

monochromatic

#1A1E20 #363E42 #515D64 #6C7C86 #8D9BA3

Accessibility & contrast

On white

6.78

#515D64 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#515D64 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515D64

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515D64	#FFFFFF	#000000	##FFFFFF
##515D64	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5C64

Deuteranopia (green-blind)

#575A64

Tritanopia (blue-blind)

#4C5F5F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #515d64;
/* rgb */ color: rgb(81, 93, 100);
/* oklch */ color: oklch(47.1% 0.019 233.4);

Tailwind

colors: {
  custom: {
    50: '#828a90',
    500: '#515d64',
    950: '#000000',
  },
}

SCSS

$custom: #515d64;
$custom-light: #828a90;
$custom-dark: #000000;

JSON

{
  "hex": "#515d64",
  "rgb": {
    "r": 81,
    "g": 93,
    "b": 100
  },
  "hsl": {
    "h": 202.105,
    "s": 10.497,
    "l": 35.49
  },
  "oklch": {
    "l": 0.47057,
    "c": 0.01876,
    "h": 233.4
  },
  "luminance": 0.10498
}

Semantic roles & 50–950 ramp

primary

#515D64

secondary

#918680

accent

#8C74B3

background

#F7F8F8

surface

#EEF0F0

border

#C9CBCB

text

#0A0B0C

muted

#7C7C7D

Preview Lab

Preview with #515D64

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

Preview Lab → · Contrast checker → · Palette generator →