#63D0F3#63D0F3

#63D0F3 is a light, moderate cyan. Relative luminance 0.542; OKLCH L 80.7% C 0.111 H 221.9°. Best body text is #000000 at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#63D0F3
RGB	rgb(99, 208, 243)
HSL	hsl(195, 86%, 67%)
HSV	hsv(195, 59%, 95%)
CMYK	cmyk(59.3%, 14.4%, 0%, 4.7%)
CIE-LAB	lab(78.60, -21.33, -26.62)
CIE-LCH	lch(78.60, 34.11, 231.30°)
OKLab	oklab(80.69% -0.0826 -0.074)
OKLCH	oklch(80.69% 0.111 221.9)
XYZ	xyz(43.8727, 54.2311, 92.9322)
Luminance	0.5423 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D0F3 #F38663

analogous

#63F3CE #63D0F3 #6388F3

triadic

#63D0F3 #F363D0 #D0F363

tetradic

#63D0F3 #CE63F3 #F38663 #88F363

square

#63D0F3 #CE63F3 #F38663 #88F363

split-complementary

#63D0F3 #F36388 #F3CE63

monochromatic

#109ECC #2ABFEF #63D0F3 #9CE1F7 #D5F2FC

Accessibility & contrast

On white

1.77

#63D0F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.85

#63D0F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D0F3

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D0F3	#FFFFFF	#000000	##000000
##63D0F3	1.00	1.77	11.85	11.85
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.85	21.00	1.00	1.00
##000000	11.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBCBF5

Deuteranopia (green-blind)

#A7BCF3

Tritanopia (blue-blind)

#00DBDB

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #63d0f3;
/* rgb */ color: rgb(99, 208, 243);
/* oklch */ color: oklch(80.7% 0.111 221.9);

Tailwind

colors: {
  custom: {
    50: '#9cdef7',
    500: '#63d0f3',
    950: '#000000',
  },
}

SCSS

$custom: #63d0f3;
$custom-light: #9cdef7;
$custom-dark: #000000;

JSON

{
  "hex": "#63d0f3",
  "rgb": {
    "r": 99,
    "g": 208,
    "b": 243
  },
  "hsl": {
    "h": 194.583,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.80689,
    "c": 0.11091,
    "h": 221.9
  },
  "luminance": 0.54235
}

Semantic roles & 50–950 ramp

primary

#63D0F3

secondary

#C85732

accent

#3903E2

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D0F3

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

Preview Lab → · Contrast checker → · Palette generator →