#63C4E5#63C4E5

#63C4E5 is a light, moderate cyan. Relative luminance 0.478; OKLCH L 77.4% C 0.102 H 222.9°. Best body text is #000000 at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#63C4E5
RGB	rgb(99, 196, 229)
HSL	hsl(195, 71%, 64%)
HSV	hsv(195, 57%, 90%)
CMYK	cmyk(56.8%, 14.4%, 0%, 10.2%)
CIE-LAB	lab(74.69, -19.29, -25.07)
CIE-LCH	lch(74.69, 31.63, 232.43°)
OKLab	oklab(77.4% -0.0751 -0.0697)
OKLCH	oklch(77.4% 0.102 222.9)
XYZ	xyz(39.0229, 47.7860, 81.2807)
Luminance	0.4779 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C4E5 #E58463

analogous

#63E5C5 #63C4E5 #6383E5

triadic

#63C4E5 #E563C4 #C4E563

tetradic

#63C4E5 #C563E5 #E58463 #83E563

square

#63C4E5 #C563E5 #E58463 #83E563

split-complementary

#63C4E5 #E56383 #E5C563

monochromatic

#1D8BB0 #2FB0DC #63C4E5 #97D8EE #CCECF6

Accessibility & contrast

On white

1.99

#63C4E5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.56

#63C4E5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C4E5

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C4E5	#FFFFFF	#000000	##000000
##63C4E5	1.00	1.99	10.56	10.56
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.56	21.00	1.00	1.00
##000000	10.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1C0E7

Deuteranopia (green-blind)

#9EB2E5

Tritanopia (blue-blind)

#00CECE

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #63c4e5;
/* rgb */ color: rgb(99, 196, 229);
/* oklch */ color: oklch(77.4% 0.102 222.9);

Tailwind

colors: {
  custom: {
    50: '#9ad6ed',
    500: '#63c4e5',
    950: '#000000',
  },
}

SCSS

$custom: #63c4e5;
$custom-light: #9ad6ed;
$custom-dark: #000000;

JSON

{
  "hex": "#63c4e5",
  "rgb": {
    "r": 99,
    "g": 196,
    "b": 229
  },
  "hsl": {
    "h": 195.231,
    "s": 71.429,
    "l": 64.314
  },
  "oklch": {
    "l": 0.77403,
    "c": 0.10242,
    "h": 222.9
  },
  "luminance": 0.4779
}

Semantic roles & 50–950 ramp

primary

#63C4E5

secondary

#E8C7BB

accent

#4312D3

background

#FAFDFE

surface

#F3FAFD

border

#CDD3D5

text

#0F1416

muted

#7F8384

Preview Lab

Preview with #63C4E5

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

Preview Lab → · Contrast checker → · Palette generator →