#63C9F2#63C9F2

#63C9F2 is a light, moderate cyan. Relative luminance 0.508; OKLCH L 79.1% C 0.111 H 227.1°. Best body text is #000000 at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#63C9F2
RGB	rgb(99, 201, 242)
HSL	hsl(197, 85%, 67%)
HSV	hsv(197, 59%, 95%)
CMYK	cmyk(59.1%, 16.9%, 0%, 5.1%)
CIE-LAB	lab(76.58, -18.04, -29.17)
CIE-LCH	lch(76.58, 34.30, 238.27°)
OKLab	oklab(79.07% -0.0756 -0.0813)
OKLCH	oklch(79.07% 0.111 227.1)
XYZ	xyz(42.0530, 50.8326, 91.5827)
Luminance	0.5084 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C9F2 #F28C63

analogous

#63F2D4 #63C9F2 #6382F2

triadic

#63C9F2 #F263C9 #C9F263

tetradic

#63C9F2 #D463F2 #F28C63 #82F263

square

#63C9F2 #D463F2 #F28C63 #82F263

split-complementary

#63C9F2 #F26382 #F2D463

monochromatic

#1195CA #2BB5ED #63C9F2 #9BDDF7 #D4F0FB

Accessibility & contrast

On white

1.88

#63C9F2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.17

#63C9F2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C9F2

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C9F2	#FFFFFF	#000000	##000000
##63C9F2	1.00	1.88	11.17	11.17
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.17	21.00	1.00	1.00
##000000	11.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3C6F4

Deuteranopia (green-blind)

#9FB6F2

Tritanopia (blue-blind)

#00D5D6

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #63c9f2;
/* rgb */ color: rgb(99, 201, 242);
/* oklch */ color: oklch(79.1% 0.111 227.1);

Tailwind

colors: {
  custom: {
    50: '#9bd9f6',
    500: '#63c9f2',
    950: '#000000',
  },
}

SCSS

$custom: #63c9f2;
$custom-light: #9bd9f6;
$custom-dark: #000000;

JSON

{
  "hex": "#63c9f2",
  "rgb": {
    "r": 99,
    "g": 201,
    "b": 242
  },
  "hsl": {
    "h": 197.203,
    "s": 84.615,
    "l": 66.863
  },
  "oklch": {
    "l": 0.79065,
    "c": 0.11106,
    "h": 227.1
  },
  "luminance": 0.50837
}

Semantic roles & 50–950 ramp

primary

#63C9F2

secondary

#C65D33

accent

#4404E1

background

#FCFEFF

surface

#F6FBFE

border

#D0D4D6

text

#0F1417

muted

#808385

Preview Lab

Preview with #63C9F2

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

Preview Lab → · Contrast checker → · Palette generator →