#63C7DB#63C7DB

#63C7DB is a light, moderate cyan. Relative luminance 0.486; OKLCH L 77.7% C 0.097 H 212.5°. Best body text is #000000 at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#63C7DB
RGB	rgb(99, 199, 219)
HSL	hsl(190, 63%, 62%)
HSV	hsv(190, 55%, 86%)
CMYK	cmyk(54.8%, 9.1%, 0%, 14.1%)
CIE-LAB	lab(75.21, -23.67, -18.87)
CIE-LCH	lch(75.21, 30.27, 218.57°)
OKLab	oklab(77.71% -0.0821 -0.0522)
OKLCH	oklch(77.71% 0.097 212.5)
XYZ	xyz(38.3501, 48.6104, 74.3658)
Luminance	0.4861 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C7DB #DB7763

analogous

#63DBB3 #63C7DB #638BDB

triadic

#63C7DB #DB63C7 #C7DB63

tetradic

#63C7DB #B363DB #DB7763 #8BDB63

square

#63C7DB #B363DB #DB7763 #8BDB63

split-complementary

#63C7DB #DB638B #DBB363

monochromatic

#258B9F #31B5D0 #63C7DB #95D9E6 #C6EBF2

Accessibility & contrast

On white

1.96

#63C7DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.72

#63C7DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C7DB

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C7DB	#FFFFFF	#000000	##000000
##63C7DB	1.00	1.96	10.72	10.72
#FFFFFF	1.96	1.00	21.00	21.00
#000000	10.72	21.00	1.00	1.00
##000000	10.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7C1DC

Deuteranopia (green-blind)

#A5B3DB

Tritanopia (blue-blind)

#00CFCD

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #63c7db;
/* rgb */ color: rgb(99, 199, 219);
/* oklch */ color: oklch(77.7% 0.097 212.5);

Tailwind

colors: {
  custom: {
    50: '#99d8e6',
    500: '#63c7db',
    950: '#000000',
  },
}

SCSS

$custom: #63c7db;
$custom-light: #99d8e6;
$custom-dark: #000000;

JSON

{
  "hex": "#63c7db",
  "rgb": {
    "r": 99,
    "g": 199,
    "b": 219
  },
  "hsl": {
    "h": 190,
    "s": 62.5,
    "l": 62.353
  },
  "oklch": {
    "l": 0.77705,
    "c": 0.09735,
    "h": 212.5
  },
  "luminance": 0.48614
}

Semantic roles & 50–950 ramp

primary

#63C7DB

secondary

#E3BEB7

accent

#381BCA

background

#F9FDFE

surface

#F2FAFC

border

#CCD3D5

text

#0F1415

muted

#7E8384

Preview Lab

Preview with #63C7DB

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

Preview Lab → · Contrast checker → · Palette generator →