#63C4ED#63C4ED

#63C4ED is a light, moderate cyan. Relative luminance 0.482; OKLCH L 77.7% C 0.108 H 228.2°. Best body text is #000000 at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#63C4ED
RGB	rgb(99, 196, 237)
HSL	hsl(198, 79%, 66%)
HSV	hsv(198, 58%, 93%)
CMYK	cmyk(58.2%, 17.3%, 0%, 7.1%)
CIE-LAB	lab(74.98, -16.94, -28.94)
CIE-LCH	lch(74.98, 33.53, 239.67°)
OKLab	oklab(77.73% -0.0722 -0.0807)
OKLCH	oklch(77.73% 0.108 228.2)
XYZ	xyz(40.1657, 48.2431, 87.2995)
Luminance	0.4825 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C4ED #ED8C63

analogous

#63EDD1 #63C4ED #637FED

triadic

#63C4ED #ED63C4 #C4ED63

tetradic

#63C4ED #D163ED #ED8C63 #7FED63

square

#63C4ED #D163ED #ED8C63 #7FED63

split-complementary

#63C4ED #ED637F #EDD163

monochromatic

#168DC0 #2CAFE7 #63C4ED #9AD9F3 #D1EEFA

Accessibility & contrast

On white

1.97

#63C4ED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.65

#63C4ED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C4ED

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C4ED	#FFFFFF	#000000	##000000
##63C4ED	1.00	1.97	10.65	10.65
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.65	21.00	1.00	1.00
##000000	10.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFC1EF

Deuteranopia (green-blind)

#9BB2EC

Tritanopia (blue-blind)

#00D0D1

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #63c4ed;
/* rgb */ color: rgb(99, 196, 237);
/* oklch */ color: oklch(77.7% 0.108 228.2);

Tailwind

colors: {
  custom: {
    50: '#9ad6f3',
    500: '#63c4ed',
    950: '#000000',
  },
}

SCSS

$custom: #63c4ed;
$custom-light: #9ad6f3;
$custom-dark: #000000;

JSON

{
  "hex": "#63c4ed",
  "rgb": {
    "r": 99,
    "g": 196,
    "b": 237
  },
  "hsl": {
    "h": 197.826,
    "s": 79.31,
    "l": 65.882
  },
  "oklch": {
    "l": 0.77729,
    "c": 0.10823,
    "h": 228.2
  },
  "luminance": 0.48247
}

Semantic roles & 50–950 ramp

primary

#63C4ED

secondary

#EDCDBF

accent

#480ADC

background

#FAFDFE

surface

#F4FAFD

border

#CED3D5

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #63C4ED

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

Preview Lab → · Contrast checker → · Palette generator →