#63C6F3#63C6F3

#63C6F3 is a light, moderate cyan. Relative luminance 0.495; OKLCH L 78.4% C 0.113 H 230.1°. Best body text is #000000 at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#63C6F3
RGB	rgb(99, 198, 243)
HSL	hsl(199, 86%, 67%)
HSV	hsv(199, 59%, 95%)
CMYK	cmyk(59.3%, 18.5%, 0%, 4.7%)
CIE-LAB	lab(75.77, -16.19, -30.96)
CIE-LCH	lch(75.77, 34.94, 242.39°)
OKLab	oklab(78.43% -0.0722 -0.0864)
OKLCH	oklch(78.43% 0.113 230.1)
XYZ	xyz(41.5111, 49.5079, 92.1450)
Luminance	0.4951 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C6F3 #F39063

analogous

#63F3D8 #63C6F3 #637EF3

triadic

#63C6F3 #F363C6 #C6F363

tetradic

#63C6F3 #D863F3 #F39063 #7EF363

square

#63C6F3 #D863F3 #F39063 #7EF363

split-complementary

#63C6F3 #F3637E #F3D863

monochromatic

#1091CC #2AB1EF #63C6F3 #9CDBF7 #D5F0FC

Accessibility & contrast

On white

1.93

#63C6F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.90

#63C6F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C6F3

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C6F3	#FFFFFF	#000000	##000000
##63C6F3	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)

#AFC3F5

Deuteranopia (green-blind)

#9BB4F2

Tritanopia (blue-blind)

#00D3D5

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #63c6f3;
/* rgb */ color: rgb(99, 198, 243);
/* oklch */ color: oklch(78.4% 0.113 230.1);

Tailwind

colors: {
  custom: {
    50: '#9bd7f7',
    500: '#63c6f3',
    950: '#000000',
  },
}

SCSS

$custom: #63c6f3;
$custom-light: #9bd7f7;
$custom-dark: #000000;

JSON

{
  "hex": "#63c6f3",
  "rgb": {
    "r": 99,
    "g": 198,
    "b": 243
  },
  "hsl": {
    "h": 198.75,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.7843,
    "c": 0.11257,
    "h": 230.1
  },
  "luminance": 0.49512
}

Semantic roles & 50–950 ramp

primary

#63C6F3

secondary

#F0D0C2

accent

#4903E2

background

#FAFDFF

surface

#F4FAFE

border

#CED3D6

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #63C6F3

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

Preview Lab → · Contrast checker → · Palette generator →