#63CDE3#63CDE3

#63CDE3 is a light, moderate cyan. Relative luminance 0.519; OKLCH L 79.4% C 0.102 H 213.2°. Best body text is #000000 at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#63CDE3
RGB	rgb(99, 205, 227)
HSL	hsl(190, 70%, 64%)
HSV	hsv(190, 56%, 89%)
CMYK	cmyk(56.4%, 9.7%, 0%, 11%)
CIE-LAB	lab(77.20, -24.42, -20.18)
CIE-LCH	lch(77.20, 31.67, 219.57°)
OKLab	oklab(79.39% -0.0855 -0.0559)
OKLCH	oklch(79.39% 0.102 213.2)
XYZ	xyz(40.8365, 51.8574, 80.5156)
Luminance	0.5186 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CDE3 #E37963

analogous

#63E3B9 #63CDE3 #638DE3

triadic

#63CDE3 #E363CD #CDE363

tetradic

#63CDE3 #B963E3 #E37963 #8DE363

square

#63CDE3 #B963E3 #E37963 #8DE363

split-complementary

#63CDE3 #E3638D #E3B963

monochromatic

#1F94AD #2FBCDA #63CDE3 #97DEEC #CBEEF6

Accessibility & contrast

On white

1.85

#63CDE3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.37

#63CDE3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CDE3

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CDE3	#FFFFFF	#000000	##000000
##63CDE3	1.00	1.85	11.37	11.37
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.37	21.00	1.00	1.00
##000000	11.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCC7E4

Deuteranopia (green-blind)

#A9B8E3

Tritanopia (blue-blind)

#00D6D4

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #63cde3;
/* rgb */ color: rgb(99, 205, 227);
/* oklch */ color: oklch(79.4% 0.102 213.2);

Tailwind

colors: {
  custom: {
    50: '#9adceb',
    500: '#63cde3',
    950: '#000000',
  },
}

SCSS

$custom: #63cde3;
$custom-light: #9adceb;
$custom-dark: #000000;

JSON

{
  "hex": "#63cde3",
  "rgb": {
    "r": 99,
    "g": 205,
    "b": 227
  },
  "hsl": {
    "h": 190.313,
    "s": 69.565,
    "l": 63.922
  },
  "oklch": {
    "l": 0.79387,
    "c": 0.10214,
    "h": 213.2
  },
  "luminance": 0.51861
}

Semantic roles & 50–950 ramp

primary

#63CDE3

secondary

#AE503C

accent

#3514D2

background

#FCFEFE

surface

#F5FCFD

border

#CFD5D5

text

#0F1516

muted

#808484

Preview Lab

Preview with #63CDE3

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

Preview Lab → · Contrast checker → · Palette generator →