#63C8E5#63C8E5

#63C8E5 is a light, moderate cyan. Relative luminance 0.496; OKLCH L 78.3% C 0.102 H 219.2°. Best body text is #000000 at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#63C8E5
RGB	rgb(99, 200, 229)
HSL	hsl(193, 71%, 64%)
HSV	hsv(193, 57%, 90%)
CMYK	cmyk(56.8%, 12.7%, 0%, 10.2%)
CIE-LAB	lab(75.83, -21.33, -23.32)
CIE-LCH	lch(75.83, 31.61, 227.56°)
OKLab	oklab(78.32% -0.0794 -0.0647)
OKLCH	oklch(78.32% 0.102 219.2)
XYZ	xyz(39.9371, 49.6145, 81.5854)
Luminance	0.4962 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C8E5 #E58063

analogous

#63E5C1 #63C8E5 #6387E5

triadic

#63C8E5 #E563C8 #C8E563

tetradic

#63C8E5 #C163E5 #E58063 #87E563

square

#63C8E5 #C163E5 #E58063 #87E563

split-complementary

#63C8E5 #E56387 #E5C163

monochromatic

#1D8FB0 #2FB6DC #63C8E5 #97DAEE #CCEDF6

Accessibility & contrast

On white

1.92

#63C8E5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.92

#63C8E5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C8E5

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C8E5	#FFFFFF	#000000	##000000
##63C8E5	1.00	1.92	10.92	10.92
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.92	21.00	1.00	1.00
##000000	10.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6C3E7

Deuteranopia (green-blind)

#A3B5E5

Tritanopia (blue-blind)

#00D2D1

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #63c8e5;
/* rgb */ color: rgb(99, 200, 229);
/* oklch */ color: oklch(78.3% 0.102 219.2);

Tailwind

colors: {
  custom: {
    50: '#9ad8ed',
    500: '#63c8e5',
    950: '#000000',
  },
}

SCSS

$custom: #63c8e5;
$custom-light: #9ad8ed;
$custom-dark: #000000;

JSON

{
  "hex": "#63c8e5",
  "rgb": {
    "r": 99,
    "g": 200,
    "b": 229
  },
  "hsl": {
    "h": 193.385,
    "s": 71.429,
    "l": 64.314
  },
  "oklch": {
    "l": 0.78317,
    "c": 0.10242,
    "h": 219.2
  },
  "luminance": 0.49618
}

Semantic roles & 50–950 ramp

primary

#63C8E5

secondary

#E8C5BB

accent

#3D12D3

background

#FAFDFE

surface

#F3FAFD

border

#CDD3D5

text

#0F1416

muted

#7F8384

Preview Lab

Preview with #63C8E5

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

Preview Lab → · Contrast checker → · Palette generator →