#63C4E1#63C4E1

#63C4E1 is a light, moderate cyan. Relative luminance 0.476; OKLCH L 77.2% C 0.100 H 220.0°. Best body text is #000000 at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#63C4E1
RGB	rgb(99, 196, 225)
HSL	hsl(194, 68%, 64%)
HSV	hsv(194, 56%, 88%)
CMYK	cmyk(56%, 12.9%, 0%, 11.8%)
CIE-LAB	lab(74.55, -20.44, -23.12)
CIE-LCH	lch(74.55, 30.86, 228.51°)
OKLab	oklab(77.24% -0.0766 -0.0642)
OKLCH	oklch(77.24% 0.1 220)
XYZ	xyz(38.4708, 47.5651, 78.3732)
Luminance	0.4757 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C4E1 #E18063

analogous

#63E1BF #63C4E1 #6385E1

triadic

#63C4E1 #E163C4 #C4E163

tetradic

#63C4E1 #BF63E1 #E18063 #85E163

square

#63C4E1 #BF63E1 #E18063 #85E163

split-complementary

#63C4E1 #E16385 #E1BF63

monochromatic

#218AA9 #30B1D7 #63C4E1 #96D7EB #CAEBF5

Accessibility & contrast

On white

2.00

#63C4E1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.51

#63C4E1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C4E1

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C4E1	#FFFFFF	#000000	##000000
##63C4E1	1.00	2.00	10.51	10.51
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.51	21.00	1.00	1.00
##000000	10.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2BFE3

Deuteranopia (green-blind)

#A0B1E1

Tritanopia (blue-blind)

#00CECD

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #63c4e1;
/* rgb */ color: rgb(99, 196, 225);
/* oklch */ color: oklch(77.2% 0.100 220.0);

Tailwind

colors: {
  custom: {
    50: '#99d6ea',
    500: '#63c4e1',
    950: '#000000',
  },
}

SCSS

$custom: #63c4e1;
$custom-light: #99d6ea;
$custom-dark: #000000;

JSON

{
  "hex": "#63c4e1",
  "rgb": {
    "r": 99,
    "g": 196,
    "b": 225
  },
  "hsl": {
    "h": 193.81,
    "s": 67.742,
    "l": 63.529
  },
  "oklch": {
    "l": 0.77245,
    "c": 0.0999,
    "h": 220
  },
  "luminance": 0.47569
}

Semantic roles & 50–950 ramp

primary

#63C4E1

secondary

#E6C4BA

accent

#4116D0

background

#FAFDFE

surface

#F3FAFD

border

#CDD3D5

text

#0F1416

muted

#7F8384

Preview Lab

Preview with #63C4E1

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

Preview Lab → · Contrast checker → · Palette generator →