#63B1CC#63B1CC

#63B1CC is a light, moderate cyan. Relative luminance 0.385; OKLCH L 72.1% C 0.086 H 222.7°. Best body text is #000000 at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#63B1CC
RGB	rgb(99, 177, 204)
HSL	hsl(195, 51%, 59%)
HSV	hsv(195, 51%, 80%)
CMYK	cmyk(51.5%, 13.2%, 0%, 20%)
CIE-LAB	lab(68.35, -16.62, -21.10)
CIE-LCH	lch(68.35, 26.86, 231.77°)
OKLab	oklab(72.05% -0.0634 -0.0584)
OKLCH	oklch(72.05% 0.086 222.7)
XYZ	xyz(31.7627, 38.4539, 62.8636)
Luminance	0.3846 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B1CC #CC7E63

analogous

#63CCB3 #63B1CC #637CCC

triadic

#63B1CC #CC63B1 #B1CC63

tetradic

#63B1CC #B363CC #CC7E63 #7CCC63

square

#63B1CC #B363CC #CC7E63 #7CCC63

split-complementary

#63B1CC #CC637C #CCB363

monochromatic

#2C7188 #3C97B6 #63B1CC #91C8DB #BFDFEA

Accessibility & contrast

On white

2.42

#63B1CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.69

#63B1CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B1CC

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B1CC	#FFFFFF	#000000	##000000
##63B1CC	1.00	2.42	8.69	8.69
#FFFFFF	2.42	1.00	21.00	21.00
#000000	8.69	21.00	1.00	1.00
##000000	8.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1ADCD

Deuteranopia (green-blind)

#92A2CC

Tritanopia (blue-blind)

#21BAB9

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #63b1cc;
/* rgb */ color: rgb(99, 177, 204);
/* oklch */ color: oklch(72.1% 0.086 222.7);

Tailwind

colors: {
  custom: {
    50: '#96c8db',
    500: '#63b1cc',
    950: '#000000',
  },
}

SCSS

$custom: #63b1cc;
$custom-light: #96c8db;
$custom-dark: #000000;

JSON

{
  "hex": "#63b1cc",
  "rgb": {
    "r": 99,
    "g": 177,
    "b": 204
  },
  "hsl": {
    "h": 195.429,
    "s": 50.725,
    "l": 59.412
  },
  "oklch": {
    "l": 0.72054,
    "c": 0.08626,
    "h": 222.7
  },
  "luminance": 0.38457
}

Semantic roles & 50–950 ramp

primary

#63B1CC

secondary

#DABBB1

accent

#724EDA

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #63B1CC

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

Preview Lab → · Contrast checker → · Palette generator →