#63787F#63787F

#63787F is a mid, muted cyan. Relative luminance 0.176; OKLCH L 55.8% C 0.027 H 220.0°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#63787F
RGB	rgb(99, 120, 127)
HSL	hsl(195, 12%, 44%)
HSV	hsv(195, 22%, 50%)
CMYK	cmyk(22%, 5.5%, 0%, 50.2%)
CIE-LAB	lab(49.03, -6.00, -6.38)
CIE-LCH	lch(49.03, 8.76, 226.75°)
OKLab	oklab(55.83% -0.0206 -0.0173)
OKLCH	oklch(55.83% 0.027 220)
XYZ	xyz(15.6918, 17.6174, 22.6483)
Luminance	0.1762 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63787F #7F6A63

analogous

#637F78 #63787F #636A7F

triadic

#63787F #7F6378 #787F63

tetradic

#63787F #78637F #7F6A63 #6A7F63

square

#63787F #78637F #7F6A63 #6A7F63

split-complementary

#63787F #7F636A #7F7863

monochromatic

#2D373A #48585D #63787F #82979D #A4B3B8

Accessibility & contrast

On white

4.64

#63787F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#63787F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #63787F

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63787F	#FFFFFF	#000000	##FFFFFF
##63787F	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#74777F

Deuteranopia (green-blind)

#6F737F

Tritanopia (blue-blind)

#5B7B7A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #63787f;
/* rgb */ color: rgb(99, 120, 127);
/* oklch */ color: oklch(55.8% 0.027 220.0);

Tailwind

colors: {
  custom: {
    50: '#909fa4',
    500: '#63787f',
    950: '#000000',
  },
}

SCSS

$custom: #63787f;
$custom-light: #909fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#63787f",
  "rgb": {
    "r": 99,
    "g": 120,
    "b": 127
  },
  "hsl": {
    "h": 195,
    "s": 12.389,
    "l": 44.314
  },
  "oklch": {
    "l": 0.55827,
    "c": 0.02694,
    "h": 220
  },
  "luminance": 0.17618
}

Semantic roles & 50–950 ramp

primary

#63787F

secondary

#A79B97

accent

#8373B5

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0C0E0F

muted

#7D7E7F

Preview Lab

Preview with #63787F

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

Preview Lab → · Contrast checker → · Palette generator →