#63C2F3#63C2F3

#63C2F3 is a light, moderate cyan. Relative luminance 0.477; OKLCH L 77.5% C 0.114 H 233.4°. Best body text is #000000 at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#63C2F3
RGB	rgb(99, 194, 243)
HSL	hsl(200, 86%, 67%)
HSV	hsv(200, 59%, 95%)
CMYK	cmyk(59.3%, 20.2%, 0%, 4.7%)
CIE-LAB	lab(74.64, -14.09, -32.70)
CIE-LCH	lch(74.64, 35.61, 246.68°)
OKLab	oklab(77.53% -0.068 -0.0914)
OKLCH	oklch(77.53% 0.114 233.4)
XYZ	xyz(40.6089, 47.7034, 91.8442)
Luminance	0.4771 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C2F3 #F39463

analogous

#63F3DC #63C2F3 #637AF3

triadic

#63C2F3 #F363C2 #C2F363

tetradic

#63C2F3 #DC63F3 #F39463 #7AF363

square

#63C2F3 #DC63F3 #F39463 #7AF363

split-complementary

#63C2F3 #F3637A #F3DC63

monochromatic

#108CCC #2AACEF #63C2F3 #9CD8F7 #D5EEFC

Accessibility & contrast

On white

1.99

#63C2F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.54

#63C2F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C2F3

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C2F3	#FFFFFF	#000000	##000000
##63C2F3	1.00	1.99	10.54	10.54
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.54	21.00	1.00	1.00
##000000	10.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAC0F5

Deuteranopia (green-blind)

#96B1F2

Tritanopia (blue-blind)

#00CFD2

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #63c2f3;
/* rgb */ color: rgb(99, 194, 243);
/* oklch */ color: oklch(77.5% 0.114 233.4);

Tailwind

colors: {
  custom: {
    50: '#9bd4f7',
    500: '#63c2f3',
    950: '#000000',
  },
}

SCSS

$custom: #63c2f3;
$custom-light: #9bd4f7;
$custom-dark: #000000;

JSON

{
  "hex": "#63c2f3",
  "rgb": {
    "r": 99,
    "g": 194,
    "b": 243
  },
  "hsl": {
    "h": 200.417,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.77532,
    "c": 0.11389,
    "h": 233.4
  },
  "luminance": 0.47707
}

Semantic roles & 50–950 ramp

primary

#63C2F3

secondary

#F0D2C2

accent

#4F03E2

background

#FAFDFF

surface

#F4FAFE

border

#CED3D6

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #63C2F3

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

Preview Lab → · Contrast checker → · Palette generator →