#63B1CF#63B1CF

#63B1CF is a light, moderate cyan. Relative luminance 0.386; OKLCH L 72.2% C 0.088 H 225.2°. Best body text is #000000 at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#63B1CF
RGB	rgb(99, 177, 207)
HSL	hsl(197, 53%, 60%)
HSV	hsv(197, 52%, 81%)
CMYK	cmyk(52.2%, 14.5%, 0%, 18.8%)
CIE-LAB	lab(68.46, -15.76, -22.59)
CIE-LCH	lch(68.46, 27.54, 235.10°)
OKLab	oklab(72.17% -0.0623 -0.0626)
OKLCH	oklch(72.17% 0.088 225.2)
XYZ	xyz(32.1260, 38.5992, 64.7768)
Luminance	0.3860 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B1CF #CF8163

analogous

#63CFB7 #63B1CF #637BCF

triadic

#63B1CF #CF63B1 #B1CF63

tetradic

#63B1CF #B763CF #CF8163 #7BCF63

square

#63B1CF #B763CF #CF8163 #7BCF63

split-complementary

#63B1CF #CF637B #CFB763

monochromatic

#2B718C #3A97BB #63B1CF #92C8DD #C1E0EC

Accessibility & contrast

On white

2.41

#63B1CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.72

#63B1CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B1CF

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B1CF	#FFFFFF	#000000	##000000
##63B1CF	1.00	2.41	8.72	8.72
#FFFFFF	2.41	1.00	21.00	21.00
#000000	8.72	21.00	1.00	1.00
##000000	8.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0AED1

Deuteranopia (green-blind)

#91A2CF

Tritanopia (blue-blind)

#1CBABB

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #63b1cf;
/* rgb */ color: rgb(99, 177, 207);
/* oklch */ color: oklch(72.2% 0.088 225.2);

Tailwind

colors: {
  custom: {
    50: '#97c8dd',
    500: '#63b1cf',
    950: '#000000',
  },
}

SCSS

$custom: #63b1cf;
$custom-light: #97c8dd;
$custom-dark: #000000;

JSON

{
  "hex": "#63b1cf",
  "rgb": {
    "r": 99,
    "g": 177,
    "b": 207
  },
  "hsl": {
    "h": 196.667,
    "s": 52.941,
    "l": 60
  },
  "oklch": {
    "l": 0.72173,
    "c": 0.08836,
    "h": 225.2
  },
  "luminance": 0.38602
}

Semantic roles & 50–950 ramp

primary

#63B1CF

secondary

#DCBEB2

accent

#744BDC

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #63B1CF

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

Preview Lab → · Contrast checker → · Palette generator →