#63C6ED#63C6ED

#63C6ED is a light, moderate cyan. Relative luminance 0.492; OKLCH L 78.2% C 0.108 H 226.5°. Best body text is #000000 at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#63C6ED
RGB	rgb(99, 198, 237)
HSL	hsl(197, 79%, 66%)
HSV	hsv(197, 58%, 93%)
CMYK	cmyk(58.2%, 16.5%, 0%, 7.1%)
CIE-LAB	lab(75.55, -17.97, -28.07)
CIE-LCH	lch(75.55, 33.33, 237.37°)
OKLab	oklab(78.18% -0.0743 -0.0782)
OKLCH	oklch(78.18% 0.108 226.5)
XYZ	xyz(40.6198, 49.1513, 87.4509)
Luminance	0.4915 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C6ED #ED8A63

analogous

#63EDCF #63C6ED #6381ED

triadic

#63C6ED #ED63C6 #C6ED63

tetradic

#63C6ED #CF63ED #ED8A63 #81ED63

square

#63C6ED #CF63ED #ED8A63 #81ED63

split-complementary

#63C6ED #ED6381 #EDCF63

monochromatic

#1690C0 #2CB2E7 #63C6ED #9ADAF3 #D1EEFA

Accessibility & contrast

On white

1.94

#63C6ED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.83

#63C6ED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C6ED

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C6ED	#FFFFFF	#000000	##000000
##63C6ED	1.00	1.94	10.83	10.83
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.83	21.00	1.00	1.00
##000000	10.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1C2EF

Deuteranopia (green-blind)

#9DB4ED

Tritanopia (blue-blind)

#00D1D3

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #63c6ed;
/* rgb */ color: rgb(99, 198, 237);
/* oklch */ color: oklch(78.2% 0.108 226.5);

Tailwind

colors: {
  custom: {
    50: '#9ad7f3',
    500: '#63c6ed',
    950: '#000000',
  },
}

SCSS

$custom: #63c6ed;
$custom-light: #9ad7f3;
$custom-dark: #000000;

JSON

{
  "hex": "#63c6ed",
  "rgb": {
    "r": 99,
    "g": 198,
    "b": 237
  },
  "hsl": {
    "h": 196.957,
    "s": 79.31,
    "l": 65.882
  },
  "oklch": {
    "l": 0.78181,
    "c": 0.10784,
    "h": 226.5
  },
  "luminance": 0.49155
}

Semantic roles & 50–950 ramp

primary

#63C6ED

secondary

#EDCCBF

accent

#450ADC

background

#FAFDFE

surface

#F4FAFD

border

#CED3D5

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #63C6ED

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

Preview Lab → · Contrast checker → · Palette generator →