#63CEEE#63CEEE

#63CEEE is a light, moderate cyan. Relative luminance 0.530; OKLCH L 80.0% C 0.108 H 220.2°. Best body text is #000000 at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#63CEEE
RGB	rgb(99, 206, 238)
HSL	hsl(194, 80%, 66%)
HSV	hsv(194, 58%, 93%)
CMYK	cmyk(58.4%, 13.4%, 0%, 6.7%)
CIE-LAB	lab(77.85, -21.77, -25.08)
CIE-LCH	lch(77.85, 33.21, 229.04°)
OKLab	oklab(80.04% -0.0824 -0.0697)
OKLCH	oklch(80.04% 0.108 220.2)
XYZ	xyz(42.6434, 52.9641, 88.8481)
Luminance	0.5297 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CEEE #EE8363

analogous

#63EEC8 #63CEEE #6388EE

triadic

#63CEEE #EE63CE #CEEE63

tetradic

#63CEEE #C863EE #EE8363 #88EE63

square

#63CEEE #C863EE #EE8363 #88EE63

split-complementary

#63CEEE #EE6388 #EEC863

monochromatic

#159AC2 #2CBDE8 #63CEEE #9ADFF4 #D1F1FA

Accessibility & contrast

On white

1.81

#63CEEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.59

#63CEEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CEEE

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CEEE	#FFFFFF	#000000	##000000
##63CEEE	1.00	1.81	11.59	11.59
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.59	21.00	1.00	1.00
##000000	11.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAC9F0

Deuteranopia (green-blind)

#A6BAEE

Tritanopia (blue-blind)

#00D9D8

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #63ceee;
/* rgb */ color: rgb(99, 206, 238);
/* oklch */ color: oklch(80.0% 0.108 220.2);

Tailwind

colors: {
  custom: {
    50: '#9bddf3',
    500: '#63ceee',
    950: '#000000',
  },
}

SCSS

$custom: #63ceee;
$custom-light: #9bddf3;
$custom-dark: #000000;

JSON

{
  "hex": "#63ceee",
  "rgb": {
    "r": 99,
    "g": 206,
    "b": 238
  },
  "hsl": {
    "h": 193.813,
    "s": 80.347,
    "l": 66.078
  },
  "oklch": {
    "l": 0.80038,
    "c": 0.10787,
    "h": 220.2
  },
  "luminance": 0.52968
}

Semantic roles & 50–950 ramp

primary

#63CEEE

secondary

#C05536

accent

#3A09DD

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63CEEE

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

Preview Lab → · Contrast checker → · Palette generator →