#63D9FA#63D9FA

#63D9FA is a very light, moderate cyan. Relative luminance 0.592; OKLCH L 83.0% C 0.115 H 219.1°. Best body text is #000000 at 12.84:1 contrast (WCAG AA passes).

Color values

HEX	#63D9FA
RGB	rgb(99, 217, 250)
HSL	hsl(193, 94%, 68%)
HSV	hsv(193, 60%, 98%)
CMYK	cmyk(60.4%, 13.2%, 0%, 2%)
CIE-LAB	lab(81.39, -23.81, -26.08)
CIE-LCH	lch(81.39, 35.31, 227.60°)
OKLab	oklab(83.01% -0.0893 -0.0725)
OKLCH	oklch(83.01% 0.115 219.1)
XYZ	xyz(47.2068, 59.1757, 99.3582)
Luminance	0.5918 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D9FA #FA8463

analogous

#63FAD0 #63D9FA #638DFA

triadic

#63D9FA #FA63D9 #D9FA63

tetradic

#63D9FA #D063FA #FA8463 #8DFA63

square

#63D9FA #D063FA #FA8463 #8DFA63

split-complementary

#63D9FA #FA638D #FAD063

monochromatic

#07ADDC #28CBF8 #63D9FA #9EE7FC #DAF6FE

Accessibility & contrast

On white

1.64

#63D9FA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.84

#63D9FA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D9FA

12.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D9FA	#FFFFFF	#000000	##000000
##63D9FA	1.00	1.64	12.84	12.84
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.84	21.00	1.00	1.00
##000000	12.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4D3FC

Deuteranopia (green-blind)

#AEC3FA

Tritanopia (blue-blind)

#00E4E3

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #63d9fa;
/* rgb */ color: rgb(99, 217, 250);
/* oklch */ color: oklch(83.0% 0.115 219.1);

Tailwind

colors: {
  custom: {
    50: '#9de5fc',
    500: '#63d9fa',
    950: '#000000',
  },
}

SCSS

$custom: #63d9fa;
$custom-light: #9de5fc;
$custom-dark: #000000;

JSON

{
  "hex": "#63d9fa",
  "rgb": {
    "r": 99,
    "g": 217,
    "b": 250
  },
  "hsl": {
    "h": 193.113,
    "s": 93.789,
    "l": 68.431
  },
  "oklch": {
    "l": 0.83005,
    "c": 0.11501,
    "h": 219.1
  },
  "luminance": 0.5918
}

Semantic roles & 50–950 ramp

primary

#63D9FA

secondary

#D4522E

accent

#3200E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D9FA

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

Preview Lab → · Contrast checker → · Palette generator →