#63C6EE#63C6EE

#63C6EE is a light, moderate cyan. Relative luminance 0.492; OKLCH L 78.2% C 0.109 H 227.1°. Best body text is #000000 at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#63C6EE
RGB	rgb(99, 198, 238)
HSL	hsl(197, 80%, 66%)
HSV	hsv(197, 58%, 93%)
CMYK	cmyk(58.4%, 16.8%, 0%, 6.7%)
CIE-LAB	lab(75.58, -17.68, -28.55)
CIE-LCH	lch(75.58, 33.58, 238.24°)
OKLab	oklab(78.22% -0.0739 -0.0795)
OKLCH	oklch(78.22% 0.109 227.1)
XYZ	xyz(40.7663, 49.2099, 88.2224)
Luminance	0.4921 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C6EE #EE8B63

analogous

#63EED0 #63C6EE #6380EE

triadic

#63C6EE #EE63C6 #C6EE63

tetradic

#63C6EE #D063EE #EE8B63 #80EE63

square

#63C6EE #D063EE #EE8B63 #80EE63

split-complementary

#63C6EE #EE6380 #EED063

monochromatic

#1590C2 #2CB2E8 #63C6EE #9ADAF4 #D1EEFA

Accessibility & contrast

On white

1.94

#63C6EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.84

#63C6EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C6EE

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C6EE	#FFFFFF	#000000	##000000
##63C6EE	1.00	1.94	10.84	10.84
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.84	21.00	1.00	1.00
##000000	10.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1C3F0

Deuteranopia (green-blind)

#9DB4EE

Tritanopia (blue-blind)

#00D2D3

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #63c6ee;
/* rgb */ color: rgb(99, 198, 238);
/* oklch */ color: oklch(78.2% 0.109 227.1);

Tailwind

colors: {
  custom: {
    50: '#9bd7f3',
    500: '#63c6ee',
    950: '#000000',
  },
}

SCSS

$custom: #63c6ee;
$custom-light: #9bd7f3;
$custom-dark: #000000;

JSON

{
  "hex": "#63c6ee",
  "rgb": {
    "r": 99,
    "g": 198,
    "b": 238
  },
  "hsl": {
    "h": 197.266,
    "s": 80.347,
    "l": 66.078
  },
  "oklch": {
    "l": 0.78222,
    "c": 0.10859,
    "h": 227.1
  },
  "luminance": 0.49214
}

Semantic roles & 50–950 ramp

primary

#63C6EE

secondary

#EDCDC0

accent

#4609DD

background

#FAFDFE

surface

#F4FAFD

border

#CED3D5

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #63C6EE

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

Preview Lab → · Contrast checker → · Palette generator →