#63C4F3#63C4F3

#63C4F3 is a light, moderate cyan. Relative luminance 0.486; OKLCH L 78.0% C 0.113 H 231.8°. Best body text is #000000 at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#63C4F3
RGB	rgb(99, 196, 243)
HSL	hsl(200, 86%, 67%)
HSV	hsv(200, 59%, 95%)
CMYK	cmyk(59.3%, 19.3%, 0%, 4.7%)
CIE-LAB	lab(75.20, -15.14, -31.83)
CIE-LCH	lch(75.20, 35.25, 244.56°)
OKLab	oklab(77.98% -0.07 -0.0889)
OKLCH	oklch(77.98% 0.113 231.8)
XYZ	xyz(41.0570, 48.5996, 91.9936)
Luminance	0.4860 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C4F3 #F39263

analogous

#63F3DA #63C4F3 #637CF3

triadic

#63C4F3 #F363C4 #C4F363

tetradic

#63C4F3 #DA63F3 #F39263 #7CF363

square

#63C4F3 #DA63F3 #F39263 #7CF363

split-complementary

#63C4F3 #F3637C #F3DA63

monochromatic

#108ECC #2AAFEF #63C4F3 #9CD9F7 #D5EFFC

Accessibility & contrast

On white

1.96

#63C4F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.72

#63C4F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C4F3

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C4F3	#FFFFFF	#000000	##000000
##63C4F3	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)

#ADC2F5

Deuteranopia (green-blind)

#99B3F2

Tritanopia (blue-blind)

#00D1D3

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #63c4f3;
/* rgb */ color: rgb(99, 196, 243);
/* oklch */ color: oklch(78.0% 0.113 231.8);

Tailwind

colors: {
  custom: {
    50: '#9bd5f7',
    500: '#63c4f3',
    950: '#000000',
  },
}

SCSS

$custom: #63c4f3;
$custom-light: #9bd5f7;
$custom-dark: #000000;

JSON

{
  "hex": "#63c4f3",
  "rgb": {
    "r": 99,
    "g": 196,
    "b": 243
  },
  "hsl": {
    "h": 199.583,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.77981,
    "c": 0.11318,
    "h": 231.8
  },
  "luminance": 0.48604
}

Semantic roles & 50–950 ramp

primary

#63C4F3

secondary

#F0D1C2

accent

#4C03E2

background

#FAFDFF

surface

#F4FAFE

border

#CED3D6

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #63C4F3

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

Preview Lab → · Contrast checker → · Palette generator →