#63C9F7#63C9F7

#63C9F7 is a light, moderate cyan. Relative luminance 0.511; OKLCH L 79.3% C 0.115 H 230.0°. Best body text is #000000 at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#63C9F7
RGB	rgb(99, 201, 247)
HSL	hsl(199, 90%, 68%)
HSV	hsv(199, 60%, 97%)
CMYK	cmyk(59.9%, 18.6%, 0%, 3.1%)
CIE-LAB	lab(76.76, -16.55, -31.57)
CIE-LCH	lch(76.76, 35.65, 242.33°)
OKLab	oklab(79.27% -0.0739 -0.0882)
OKLCH	oklch(79.27% 0.115 230)
XYZ	xyz(42.8142, 51.1371, 95.5918)
Luminance	0.5114 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C9F7 #F79163

analogous

#63F7DB #63C9F7 #637FF7

triadic

#63C9F7 #F763C9 #C9F763

tetradic

#63C9F7 #DB63F7 #F79163 #7FF763

square

#63C9F7 #DB63F7 #F79163 #7FF763

split-complementary

#63C9F7 #F7637F #F7DB63

monochromatic

#0B96D5 #29B5F4 #63C9F7 #9DDDFA #D7F1FD

Accessibility & contrast

On white

1.87

#63C9F7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.23

#63C9F7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C9F7

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C9F7	#FFFFFF	#000000	##000000
##63C9F7	1.00	1.87	11.23	11.23
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.23	21.00	1.00	1.00
##000000	11.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2C6F9

Deuteranopia (green-blind)

#9DB7F6

Tritanopia (blue-blind)

#00D6D8

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #63c9f7;
/* rgb */ color: rgb(99, 201, 247);
/* oklch */ color: oklch(79.3% 0.115 230.0);

Tailwind

colors: {
  custom: {
    50: '#9cd9fa',
    500: '#63c9f7',
    950: '#000000',
  },
}

SCSS

$custom: #63c9f7;
$custom-light: #9cd9fa;
$custom-dark: #000000;

JSON

{
  "hex": "#63c9f7",
  "rgb": {
    "r": 99,
    "g": 201,
    "b": 247
  },
  "hsl": {
    "h": 198.649,
    "s": 90.244,
    "l": 67.843
  },
  "oklch": {
    "l": 0.79273,
    "c": 0.11501,
    "h": 230
  },
  "luminance": 0.51141
}

Semantic roles & 50–950 ramp

primary

#63C9F7

secondary

#CF612F

accent

#4700E6

background

#FCFEFF

surface

#F6FBFF

border

#D0D4D7

text

#0F1417

muted

#808385

Preview Lab

Preview with #63C9F7

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

Preview Lab → · Contrast checker → · Palette generator →