#63C3E7#63C3E7

#63C3E7 is a light, moderate cyan. Relative luminance 0.475; OKLCH L 77.3% C 0.104 H 225.1°. Best body text is #000000 at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#63C3E7
RGB	rgb(99, 195, 231)
HSL	hsl(196, 73%, 65%)
HSV	hsv(196, 57%, 91%)
CMYK	cmyk(57.1%, 15.6%, 0%, 9.4%)
CIE-LAB	lab(74.48, -18.19, -26.47)
CIE-LCH	lch(74.48, 32.12, 235.51°)
OKLab	oklab(77.26% -0.0733 -0.0736)
OKLCH	oklch(77.26% 0.104 225.1)
XYZ	xyz(39.0789, 47.4487, 82.6849)
Luminance	0.4745 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C3E7 #E78763

analogous

#63E7C9 #63C3E7 #6381E7

triadic

#63C3E7 #E763C3 #C3E763

tetradic

#63C3E7 #C963E7 #E78763 #81E763

square

#63C3E7 #C963E7 #E78763 #81E763

split-complementary

#63C3E7 #E76381 #E7C963

monochromatic

#1C8AB4 #2EAFDF #63C3E7 #98D7EF #CDECF7

Accessibility & contrast

On white

2.00

#63C3E7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.49

#63C3E7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C3E7

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C3E7	#FFFFFF	#000000	##000000
##63C3E7	1.00	2.00	10.49	10.49
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.49	21.00	1.00	1.00
##000000	10.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFBFE9

Deuteranopia (green-blind)

#9CB1E7

Tritanopia (blue-blind)

#00CECF

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #63c3e7;
/* rgb */ color: rgb(99, 195, 231);
/* oklch */ color: oklch(77.3% 0.104 225.1);

Tailwind

colors: {
  custom: {
    50: '#9ad5ee',
    500: '#63c3e7',
    950: '#000000',
  },
}

SCSS

$custom: #63c3e7;
$custom-light: #9ad5ee;
$custom-dark: #000000;

JSON

{
  "hex": "#63c3e7",
  "rgb": {
    "r": 99,
    "g": 195,
    "b": 231
  },
  "hsl": {
    "h": 196.364,
    "s": 73.333,
    "l": 64.706
  },
  "oklch": {
    "l": 0.77256,
    "c": 0.10389,
    "h": 225.1
  },
  "luminance": 0.47452
}

Semantic roles & 50–950 ramp

primary

#63C3E7

secondary

#EAC9BC

accent

#4610D5

background

#FAFDFE

surface

#F3FAFD

border

#CDD3D5

text

#0F1416

muted

#7F8384

Preview Lab

Preview with #63C3E7

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

Preview Lab → · Contrast checker → · Palette generator →