#63C5FA#63C5FA

#63C5FA is a light, moderate cyan. Relative luminance 0.495; OKLCH L 78.5% C 0.119 H 234.8°. Best body text is #000000 at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#63C5FA
RGB	rgb(99, 197, 250)
HSL	hsl(201, 94%, 68%)
HSV	hsv(201, 60%, 98%)
CMYK	cmyk(60.4%, 21.2%, 0%, 2%)
CIE-LAB	lab(75.75, -13.55, -34.74)
CIE-LCH	lch(75.75, 37.29, 248.69°)
OKLab	oklab(78.51% -0.0687 -0.0972)
OKLCH	oklch(78.51% 0.119 234.8)
XYZ	xyz(42.3606, 49.4831, 97.7427)
Luminance	0.4949 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C5FA #FA9863

analogous

#63FAE4 #63C5FA #6379FA

triadic

#63C5FA #FA63C5 #C5FA63

tetradic

#63C5FA #E463FA #FA9863 #79FA63

square

#63C5FA #E463FA #FA9863 #79FA63

split-complementary

#63C5FA #FA6379 #FAE463

monochromatic

#0791DC #28AFF8 #63C5FA #9EDBFC #DAF1FE

Accessibility & contrast

On white

1.93

#63C5FA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.90

#63C5FA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C5FA

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C5FA	#FFFFFF	#000000	##000000
##63C5FA	1.00	1.93	10.90	10.90
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.90	21.00	1.00	1.00
##000000	10.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACC3FD

Deuteranopia (green-blind)

#97B4F9

Tritanopia (blue-blind)

#00D3D7

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #63c5fa;
/* rgb */ color: rgb(99, 197, 250);
/* oklch */ color: oklch(78.5% 0.119 234.8);

Tailwind

colors: {
  custom: {
    50: '#9cd6fc',
    500: '#63c5fa',
    950: '#000000',
  },
}

SCSS

$custom: #63c5fa;
$custom-light: #9cd6fc;
$custom-dark: #000000;

JSON

{
  "hex": "#63c5fa",
  "rgb": {
    "r": 99,
    "g": 197,
    "b": 250
  },
  "hsl": {
    "h": 201.06,
    "s": 93.789,
    "l": 68.431
  },
  "oklch": {
    "l": 0.78506,
    "c": 0.11905,
    "h": 234.8
  },
  "luminance": 0.49487
}

Semantic roles & 50–950 ramp

primary

#63C5FA

secondary

#F3D6C6

accent

#5100E6

background

#FAFDFF

surface

#F4FAFF

border

#CED3D7

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #63C5FA

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

Preview Lab → · Contrast checker → · Palette generator →