#63C3F4#63C3F4

#63C3F4 is a light, moderate cyan. Relative luminance 0.482; OKLCH L 77.8% C 0.114 H 233.1°. Best body text is #000000 at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#63C3F4
RGB	rgb(99, 195, 244)
HSL	hsl(200, 87%, 67%)
HSV	hsv(200, 59%, 96%)
CMYK	cmyk(59.4%, 20.1%, 0%, 4.3%)
CIE-LAB	lab(74.96, -14.32, -32.74)
CIE-LCH	lch(74.96, 35.74, 246.38°)
OKLab	oklab(77.8% -0.0687 -0.0915)
OKLCH	oklch(77.8% 0.114 233.1)
XYZ	xyz(40.9836, 48.2106, 92.7162)
Luminance	0.4822 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C3F4 #F49463

analogous

#63F4DD #63C3F4 #637BF4

triadic

#63C3F4 #F463C3 #C3F463

tetradic

#63C3F4 #DD63F4 #F49463 #7BF463

square

#63C3F4 #DD63F4 #F49463 #7BF463

split-complementary

#63C3F4 #F4637B #F4DD63

monochromatic

#0F8DCE #2AADF0 #63C3F4 #9CD9F8 #D5EFFC

Accessibility & contrast

On white

1.97

#63C3F4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.64

#63C3F4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C3F4

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C3F4	#FFFFFF	#000000	##000000
##63C3F4	1.00	1.97	10.64	10.64
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.64	21.00	1.00	1.00
##000000	10.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABC1F6

Deuteranopia (green-blind)

#97B2F3

Tritanopia (blue-blind)

#00D0D3

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #63c3f4;
/* rgb */ color: rgb(99, 195, 244);
/* oklch */ color: oklch(77.8% 0.114 233.1);

Tailwind

colors: {
  custom: {
    50: '#9bd5f8',
    500: '#63c3f4',
    950: '#000000',
  },
}

SCSS

$custom: #63c3f4;
$custom-light: #9bd5f8;
$custom-dark: #000000;

JSON

{
  "hex": "#63c3f4",
  "rgb": {
    "r": 99,
    "g": 195,
    "b": 244
  },
  "hsl": {
    "h": 200.276,
    "s": 86.826,
    "l": 67.255
  },
  "oklch": {
    "l": 0.77799,
    "c": 0.11441,
    "h": 233.1
  },
  "luminance": 0.48215
}

Semantic roles & 50–950 ramp

primary

#63C3F4

secondary

#F0D2C3

accent

#4E02E3

background

#FAFDFF

surface

#F4FAFF

border

#CED3D7

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #63C3F4

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

Preview Lab → · Contrast checker → · Palette generator →