#63CEEF#63CEEF

#63CEEF is a light, moderate cyan. Relative luminance 0.530; OKLCH L 80.1% C 0.108 H 220.9°. Best body text is #000000 at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#63CEEF
RGB	rgb(99, 206, 239)
HSL	hsl(194, 81%, 66%)
HSV	hsv(194, 59%, 94%)
CMYK	cmyk(58.6%, 13.8%, 0%, 6.3%)
CIE-LAB	lab(77.89, -21.48, -25.56)
CIE-LCH	lch(77.89, 33.39, 229.96°)
OKLab	oklab(80.08% -0.082 -0.071)
OKLCH	oklch(80.08% 0.108 220.9)
XYZ	xyz(42.7907, 53.0231, 89.6240)
Luminance	0.5303 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CEEF #EF8463

analogous

#63EFCA #63CEEF #6388EF

triadic

#63CEEF #EF63CE #CEEF63

tetradic

#63CEEF #CA63EF #EF8463 #88EF63

square

#63CEEF #CA63EF #EF8463 #88EF63

split-complementary

#63CEEF #EF6388 #EFCA63

monochromatic

#149AC4 #2BBDE9 #63CEEF #9BDFF5 #D2F1FA

Accessibility & contrast

On white

1.81

#63CEEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.61

#63CEEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CEEF

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CEEF	#FFFFFF	#000000	##000000
##63CEEF	1.00	1.81	11.61	11.61
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.61	21.00	1.00	1.00
##000000	11.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAC9F1

Deuteranopia (green-blind)

#A6BAEF

Tritanopia (blue-blind)

#00D9D8

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #63ceef;
/* rgb */ color: rgb(99, 206, 239);
/* oklch */ color: oklch(80.1% 0.108 220.9);

Tailwind

colors: {
  custom: {
    50: '#9bddf4',
    500: '#63ceef',
    950: '#000000',
  },
}

SCSS

$custom: #63ceef;
$custom-light: #9bddf4;
$custom-dark: #000000;

JSON

{
  "hex": "#63ceef",
  "rgb": {
    "r": 99,
    "g": 206,
    "b": 239
  },
  "hsl": {
    "h": 194.143,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.80077,
    "c": 0.10848,
    "h": 220.9
  },
  "luminance": 0.53027
}

Semantic roles & 50–950 ramp

primary

#63CEEF

secondary

#C15635

accent

#3A08DE

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63CEEF

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

Preview Lab → · Contrast checker → · Palette generator →