#63C2EC#63C2EC

#63C2EC is a light, moderate cyan. Relative luminance 0.473; OKLCH L 77.2% C 0.108 H 229.3°. Best body text is #000000 at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#63C2EC
RGB	rgb(99, 194, 236)
HSL	hsl(198, 78%, 66%)
HSV	hsv(198, 58%, 93%)
CMYK	cmyk(58.1%, 17.8%, 0%, 7.5%)
CIE-LAB	lab(74.37, -16.19, -29.33)
CIE-LCH	lch(74.37, 33.50, 241.10°)
OKLab	oklab(77.24% -0.0704 -0.0818)
OKLCH	oklch(77.24% 0.108 229.3)
XYZ	xyz(39.5719, 47.2886, 86.3828)
Luminance	0.4729 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C2EC #EC8D63

analogous

#63ECD1 #63C2EC #637DEC

triadic

#63C2EC #EC63C2 #C2EC63

tetradic

#63C2EC #D163EC #EC8D63 #7DEC63

square

#63C2EC #D163EC #EC8D63 #7DEC63

split-complementary

#63C2EC #EC637D #ECD163

monochromatic

#178ABE #2CADE5 #63C2EC #9AD7F3 #D0EDF9

Accessibility & contrast

On white

2.01

#63C2EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.46

#63C2EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C2EC

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C2EC	#FFFFFF	#000000	##000000
##63C2EC	1.00	2.01	10.46	10.46
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.46	21.00	1.00	1.00
##000000	10.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACBFEE

Deuteranopia (green-blind)

#99B1EB

Tritanopia (blue-blind)

#00CED0

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #63c2ec;
/* rgb */ color: rgb(99, 194, 236);
/* oklch */ color: oklch(77.2% 0.108 229.3);

Tailwind

colors: {
  custom: {
    50: '#9ad4f2',
    500: '#63c2ec',
    950: '#000000',
  },
}

SCSS

$custom: #63c2ec;
$custom-light: #9ad4f2;
$custom-dark: #000000;

JSON

{
  "hex": "#63c2ec",
  "rgb": {
    "r": 99,
    "g": 194,
    "b": 236
  },
  "hsl": {
    "h": 198.394,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.77235,
    "c": 0.1079,
    "h": 229.3
  },
  "luminance": 0.47292
}

Semantic roles & 50–950 ramp

primary

#63C2EC

secondary

#ECCDBF

accent

#4B0BDB

background

#FAFDFE

surface

#F3FAFD

border

#CDD3D5

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #63C2EC

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

Preview Lab → · Contrast checker → · Palette generator →