#63D3F3#63D3F3

#63D3F3 is a light, moderate cyan. Relative luminance 0.557; OKLCH L 81.4% C 0.111 H 219.4°. Best body text is #000000 at 12.14:1 contrast (WCAG AA passes).

Color values

HEX	#63D3F3
RGB	rgb(99, 211, 243)
HSL	hsl(193, 86%, 67%)
HSV	hsv(193, 59%, 95%)
CMYK	cmyk(59.3%, 13.2%, 0%, 4.7%)
CIE-LAB	lab(79.45, -22.84, -25.32)
CIE-LCH	lch(79.45, 34.10, 227.95°)
OKLab	oklab(81.37% -0.0857 -0.0704)
OKLCH	oklch(81.37% 0.111 219.4)
XYZ	xyz(44.6111, 55.7078, 93.1783)
Luminance	0.5571 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D3F3 #F38363

analogous

#63F3CB #63D3F3 #638BF3

triadic

#63D3F3 #F363D3 #D3F363

tetradic

#63D3F3 #CB63F3 #F38363 #8BF363

square

#63D3F3 #CB63F3 #F38363 #8BF363

split-complementary

#63D3F3 #F3638B #F3CB63

monochromatic

#10A2CC #2AC3EF #63D3F3 #9CE3F7 #D5F3FC

Accessibility & contrast

On white

1.73

#63D3F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.14

#63D3F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D3F3

12.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D3F3	#FFFFFF	#000000	##000000
##63D3F3	1.00	1.73	12.14	12.14
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.14	21.00	1.00	1.00
##000000	12.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFCEF5

Deuteranopia (green-blind)

#AABEF3

Tritanopia (blue-blind)

#00DEDD

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #63d3f3;
/* rgb */ color: rgb(99, 211, 243);
/* oklch */ color: oklch(81.4% 0.111 219.4);

Tailwind

colors: {
  custom: {
    50: '#9ce0f7',
    500: '#63d3f3',
    950: '#000000',
  },
}

SCSS

$custom: #63d3f3;
$custom-light: #9ce0f7;
$custom-dark: #000000;

JSON

{
  "hex": "#63d3f3",
  "rgb": {
    "r": 99,
    "g": 211,
    "b": 243
  },
  "hsl": {
    "h": 193.333,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.8137,
    "c": 0.11088,
    "h": 219.4
  },
  "luminance": 0.55712
}

Semantic roles & 50–950 ramp

primary

#63D3F3

secondary

#C85332

accent

#3503E2

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D3F3

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

Preview Lab → · Contrast checker → · Palette generator →