#63C4E3#63C4E3

#63C4E3 is a light, moderate cyan. Relative luminance 0.477; OKLCH L 77.3% C 0.101 H 221.4°. Best body text is #000000 at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#63C4E3
RGB	rgb(99, 196, 227)
HSL	hsl(195, 70%, 64%)
HSV	hsv(195, 56%, 89%)
CMYK	cmyk(56.4%, 13.7%, 0%, 11%)
CIE-LAB	lab(74.62, -19.87, -24.09)
CIE-LCH	lch(74.62, 31.23, 230.49°)
OKLab	oklab(77.32% -0.0758 -0.0669)
OKLCH	oklch(77.32% 0.101 221.4)
XYZ	xyz(38.7452, 47.6749, 79.8185)
Luminance	0.4768 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C4E3 #E38263

analogous

#63E3C2 #63C4E3 #6384E3

triadic

#63C4E3 #E363C4 #C4E363

tetradic

#63C4E3 #C263E3 #E38263 #84E363

square

#63C4E3 #C263E3 #E38263 #84E363

split-complementary

#63C4E3 #E36384 #E3C263

monochromatic

#1F8AAD #2FB0DA #63C4E3 #97D8EC #CBEBF6

Accessibility & contrast

On white

1.99

#63C4E3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.54

#63C4E3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C4E3

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C4E3	#FFFFFF	#000000	##000000
##63C4E3	1.00	1.99	10.54	10.54
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.54	21.00	1.00	1.00
##000000	10.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2C0E5

Deuteranopia (green-blind)

#9FB2E3

Tritanopia (blue-blind)

#00CECE

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #63c4e3;
/* rgb */ color: rgb(99, 196, 227);
/* oklch */ color: oklch(77.3% 0.101 221.4);

Tailwind

colors: {
  custom: {
    50: '#99d6eb',
    500: '#63c4e3',
    950: '#000000',
  },
}

SCSS

$custom: #63c4e3;
$custom-light: #99d6eb;
$custom-dark: #000000;

JSON

{
  "hex": "#63c4e3",
  "rgb": {
    "r": 99,
    "g": 196,
    "b": 227
  },
  "hsl": {
    "h": 194.531,
    "s": 69.565,
    "l": 63.922
  },
  "oklch": {
    "l": 0.77324,
    "c": 0.10113,
    "h": 221.4
  },
  "luminance": 0.47679
}

Semantic roles & 50–950 ramp

primary

#63C4E3

secondary

#E7C5BA

accent

#4214D2

background

#FAFDFE

surface

#F3FAFD

border

#CDD3D5

text

#0F1416

muted

#7F8384

Preview Lab

Preview with #63C4E3

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

Preview Lab → · Contrast checker → · Palette generator →