#63C7F4#63C7F4

#63C7F4 is a light, moderate cyan. Relative luminance 0.500; OKLCH L 78.7% C 0.113 H 229.9°. Best body text is #000000 at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#63C7F4
RGB	rgb(99, 199, 244)
HSL	hsl(199, 87%, 67%)
HSV	hsv(199, 59%, 96%)
CMYK	cmyk(59.4%, 18.4%, 0%, 4.3%)
CIE-LAB	lab(76.09, -16.41, -31.00)
CIE-LCH	lch(76.09, 35.08, 242.11°)
OKLab	oklab(78.7% -0.0728 -0.0865)
OKLCH	oklch(78.7% 0.113 229.9)
XYZ	xyz(41.8918, 50.0271, 93.0189)
Luminance	0.5003 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C7F4 #F49063

analogous

#63F4D9 #63C7F4 #637EF4

triadic

#63C7F4 #F463C7 #C7F463

tetradic

#63C7F4 #D963F4 #F49063 #7EF463

square

#63C7F4 #D963F4 #F49063 #7EF463

split-complementary

#63C7F4 #F4637E #F4D963

monochromatic

#0F93CE #2AB2F0 #63C7F4 #9CDCF8 #D5F0FC

Accessibility & contrast

On white

1.91

#63C7F4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.01

#63C7F4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C7F4

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C7F4	#FFFFFF	#000000	##000000
##63C7F4	1.00	1.91	11.01	11.01
#FFFFFF	1.91	1.00	21.00	21.00
#000000	11.01	21.00	1.00	1.00
##000000	11.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0C4F6

Deuteranopia (green-blind)

#9CB5F3

Tritanopia (blue-blind)

#00D4D6

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #63c7f4;
/* rgb */ color: rgb(99, 199, 244);
/* oklch */ color: oklch(78.7% 0.113 229.9);

Tailwind

colors: {
  custom: {
    50: '#9bd8f8',
    500: '#63c7f4',
    950: '#000000',
  },
}

SCSS

$custom: #63c7f4;
$custom-light: #9bd8f8;
$custom-dark: #000000;

JSON

{
  "hex": "#63c7f4",
  "rgb": {
    "r": 99,
    "g": 199,
    "b": 244
  },
  "hsl": {
    "h": 198.621,
    "s": 86.826,
    "l": 67.255
  },
  "oklch": {
    "l": 0.78697,
    "c": 0.11311,
    "h": 229.9
  },
  "luminance": 0.50031
}

Semantic roles & 50–950 ramp

primary

#63C7F4

secondary

#CA6131

accent

#4802E3

background

#FCFEFF

surface

#F6FBFE

border

#D0D4D6

text

#0F1417

muted

#808385

Preview Lab

Preview with #63C7F4

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

Preview Lab → · Contrast checker → · Palette generator →