#63C5F5#63C5F5

#63C5F5 is a light, moderate cyan. Relative luminance 0.492; OKLCH L 78.3% C 0.115 H 232.1°. Best body text is #000000 at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#63C5F5
RGB	rgb(99, 197, 245)
HSL	hsl(200, 88%, 67%)
HSV	hsv(200, 60%, 96%)
CMYK	cmyk(59.6%, 19.6%, 0%, 3.9%)
CIE-LAB	lab(75.56, -15.07, -32.35)
CIE-LCH	lch(75.56, 35.69, 245.03°)
OKLab	oklab(78.29% -0.0704 -0.0904)
OKLCH	oklch(78.29% 0.115 232.1)
XYZ	xyz(41.5869, 49.1737, 93.6683)
Luminance	0.4918 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C5F5 #F59363

analogous

#63F5DC #63C5F5 #637CF5

triadic

#63C5F5 #F563C5 #C5F563

tetradic

#63C5F5 #DC63F5 #F59363 #7CF563

square

#63C5F5 #DC63F5 #F59363 #7CF563

split-complementary

#63C5F5 #F5637C #F5DC63

monochromatic

#0D90D0 #29B0F1 #63C5F5 #9DDAF9 #D6F0FC

Accessibility & contrast

On white

1.94

#63C5F5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.84

#63C5F5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C5F5

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C5F5	#FFFFFF	#000000	##000000
##63C5F5	1.00	1.94	10.84	10.84
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.84	21.00	1.00	1.00
##000000	10.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADC3F7

Deuteranopia (green-blind)

#99B4F4

Tritanopia (blue-blind)

#00D2D5

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #63c5f5;
/* rgb */ color: rgb(99, 197, 245);
/* oklch */ color: oklch(78.3% 0.115 232.1);

Tailwind

colors: {
  custom: {
    50: '#9bd6f8',
    500: '#63c5f5',
    950: '#000000',
  },
}

SCSS

$custom: #63c5f5;
$custom-light: #9bd6f8;
$custom-dark: #000000;

JSON

{
  "hex": "#63c5f5",
  "rgb": {
    "r": 99,
    "g": 197,
    "b": 245
  },
  "hsl": {
    "h": 199.726,
    "s": 87.952,
    "l": 67.451
  },
  "oklch": {
    "l": 0.7829,
    "c": 0.11458,
    "h": 232.1
  },
  "luminance": 0.49178
}

Semantic roles & 50–950 ramp

primary

#63C5F5

secondary

#F1D2C3

accent

#4C01E5

background

#FAFDFF

surface

#F4FAFF

border

#CED3D7

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #63C5F5

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

Preview Lab → · Contrast checker → · Palette generator →