#63D4F3#63D4F3

#63D4F3 is a light, moderate cyan. Relative luminance 0.562; OKLCH L 81.6% C 0.111 H 218.6°. Best body text is #000000 at 12.24:1 contrast (WCAG AA passes).

Color values

HEX	#63D4F3
RGB	rgb(99, 212, 243)
HSL	hsl(193, 86%, 67%)
HSV	hsv(193, 59%, 95%)
CMYK	cmyk(59.3%, 12.8%, 0%, 4.7%)
CIE-LAB	lab(79.73, -23.34, -24.88)
CIE-LCH	lch(79.73, 34.12, 226.83°)
OKLab	oklab(81.6% -0.0867 -0.0691)
OKLCH	oklch(81.6% 0.111 218.6)
XYZ	xyz(44.8603, 56.2062, 93.2614)
Luminance	0.5621 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D4F3 #F38263

analogous

#63F3CA #63D4F3 #638CF3

triadic

#63D4F3 #F363D4 #D4F363

tetradic

#63D4F3 #CA63F3 #F38263 #8CF363

square

#63D4F3 #CA63F3 #F38263 #8CF363

split-complementary

#63D4F3 #F3638C #F3CA63

monochromatic

#10A3CC #2AC4EF #63D4F3 #9CE4F7 #D5F3FC

Accessibility & contrast

On white

1.72

#63D4F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.24

#63D4F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D4F3

12.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D4F3	#FFFFFF	#000000	##000000
##63D4F3	1.00	1.72	12.24	12.24
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.24	21.00	1.00	1.00
##000000	12.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0CFF5

Deuteranopia (green-blind)

#ABBFF3

Tritanopia (blue-blind)

#00DFDE

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #63d4f3;
/* rgb */ color: rgb(99, 212, 243);
/* oklch */ color: oklch(81.6% 0.111 218.6);

Tailwind

colors: {
  custom: {
    50: '#9ce1f7',
    500: '#63d4f3',
    950: '#000000',
  },
}

SCSS

$custom: #63d4f3;
$custom-light: #9ce1f7;
$custom-dark: #000000;

JSON

{
  "hex": "#63d4f3",
  "rgb": {
    "r": 99,
    "g": 212,
    "b": 243
  },
  "hsl": {
    "h": 192.917,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.81598,
    "c": 0.11092,
    "h": 218.6
  },
  "luminance": 0.56211
}

Semantic roles & 50–950 ramp

primary

#63D4F3

secondary

#C85232

accent

#3303E2

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D4F3

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

Preview Lab → · Contrast checker → · Palette generator →