#63C7F7#63C7F7

#63C7F7 is a light, moderate cyan. Relative luminance 0.502; OKLCH L 78.8% C 0.116 H 231.6°. Best body text is #000000 at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#63C7F7
RGB	rgb(99, 199, 247)
HSL	hsl(199, 90%, 68%)
HSV	hsv(199, 60%, 97%)
CMYK	cmyk(59.9%, 19.4%, 0%, 3.1%)
CIE-LAB	lab(76.20, -15.51, -32.44)
CIE-LCH	lch(76.20, 35.96, 244.45°)
OKLab	oklab(78.82% -0.0718 -0.0906)
OKLCH	oklch(78.82% 0.116 231.6)
XYZ	xyz(42.3510, 50.2108, 95.4374)
Luminance	0.5021 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C7F7 #F79363

analogous

#63F7DD #63C7F7 #637DF7

triadic

#63C7F7 #F763C7 #C7F763

tetradic

#63C7F7 #DD63F7 #F79363 #7DF763

square

#63C7F7 #DD63F7 #F79363 #7DF763

split-complementary

#63C7F7 #F7637D #F7DD63

monochromatic

#0B93D5 #29B2F4 #63C7F7 #9DDCFA #D7F1FD

Accessibility & contrast

On white

1.90

#63C7F7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.04

#63C7F7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C7F7

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C7F7	#FFFFFF	#000000	##000000
##63C7F7	1.00	1.90	11.04	11.04
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.04	21.00	1.00	1.00
##000000	11.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFC5F9

Deuteranopia (green-blind)

#9AB5F6

Tritanopia (blue-blind)

#00D4D7

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #63c7f7;
/* rgb */ color: rgb(99, 199, 247);
/* oklch */ color: oklch(78.8% 0.116 231.6);

Tailwind

colors: {
  custom: {
    50: '#9cd8fa',
    500: '#63c7f7',
    950: '#000000',
  },
}

SCSS

$custom: #63c7f7;
$custom-light: #9cd8fa;
$custom-dark: #000000;

JSON

{
  "hex": "#63c7f7",
  "rgb": {
    "r": 99,
    "g": 199,
    "b": 247
  },
  "hsl": {
    "h": 199.459,
    "s": 90.244,
    "l": 67.843
  },
  "oklch": {
    "l": 0.78824,
    "c": 0.11563,
    "h": 231.6
  },
  "luminance": 0.50215
}

Semantic roles & 50–950 ramp

primary

#63C7F7

secondary

#CF632F

accent

#4A00E6

background

#FCFEFF

surface

#F6FBFF

border

#D0D4D7

text

#0F1417

muted

#808385

Preview Lab

Preview with #63C7F7

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

Preview Lab → · Contrast checker → · Palette generator →