#63C4E6#63C4E6

#63C4E6 is a light, moderate cyan. Relative luminance 0.478; OKLCH L 77.4% C 0.103 H 223.6°. Best body text is #000000 at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#63C4E6
RGB	rgb(99, 196, 230)
HSL	hsl(196, 72%, 65%)
HSV	hsv(196, 57%, 90%)
CMYK	cmyk(57%, 14.8%, 0%, 9.8%)
CIE-LAB	lab(74.73, -18.99, -25.55)
CIE-LCH	lch(74.73, 31.84, 233.37°)
OKLab	oklab(77.44% -0.0747 -0.071)
OKLCH	oklch(77.44% 0.103 223.6)
XYZ	xyz(39.1629, 47.8420, 82.0181)
Luminance	0.4785 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C4E6 #E68563

analogous

#63E6C7 #63C4E6 #6382E6

triadic

#63C4E6 #E663C4 #C4E663

tetradic

#63C4E6 #C763E6 #E68563 #82E663

square

#63C4E6 #C763E6 #E68563 #82E663

split-complementary

#63C4E6 #E66382 #E6C763

monochromatic

#1D8BB2 #2EB0DE #63C4E6 #98D8EE #CCECF7

Accessibility & contrast

On white

1.99

#63C4E6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.57

#63C4E6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C4E6

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C4E6	#FFFFFF	#000000	##000000
##63C4E6	1.00	1.99	10.57	10.57
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.57	21.00	1.00	1.00
##000000	10.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1C0E8

Deuteranopia (green-blind)

#9EB2E6

Tritanopia (blue-blind)

#00CFCF

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #63c4e6;
/* rgb */ color: rgb(99, 196, 230);
/* oklch */ color: oklch(77.4% 0.103 223.6);

Tailwind

colors: {
  custom: {
    50: '#9ad6ee',
    500: '#63c4e6',
    950: '#000000',
  },
}

SCSS

$custom: #63c4e6;
$custom-light: #9ad6ee;
$custom-dark: #000000;

JSON

{
  "hex": "#63c4e6",
  "rgb": {
    "r": 99,
    "g": 196,
    "b": 230
  },
  "hsl": {
    "h": 195.573,
    "s": 72.376,
    "l": 64.51
  },
  "oklch": {
    "l": 0.77443,
    "c": 0.10309,
    "h": 223.6
  },
  "luminance": 0.47846
}

Semantic roles & 50–950 ramp

primary

#63C4E6

secondary

#E9C8BC

accent

#4411D4

background

#FAFDFE

surface

#F3FAFD

border

#CDD3D5

text

#0F1416

muted

#7F8384

Preview Lab

Preview with #63C4E6

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

Preview Lab → · Contrast checker → · Palette generator →