#63CBE7#63CBE7

#63CBE7 is a light, moderate cyan. Relative luminance 0.511; OKLCH L 79.1% C 0.104 H 217.9°. Best body text is #000000 at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#63CBE7
RGB	rgb(99, 203, 231)
HSL	hsl(193, 73%, 65%)
HSV	hsv(193, 57%, 91%)
CMYK	cmyk(57.1%, 12.1%, 0%, 9.4%)
CIE-LAB	lab(76.76, -22.27, -22.99)
CIE-LCH	lch(76.76, 32.01, 225.91°)
OKLab	oklab(79.08% -0.0818 -0.0638)
OKLCH	oklch(79.08% 0.104 217.9)
XYZ	xyz(40.9196, 51.1301, 83.2985)
Luminance	0.5113 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CBE7 #E77F63

analogous

#63E7C1 #63CBE7 #6389E7

triadic

#63CBE7 #E763CB #CBE763

tetradic

#63CBE7 #C163E7 #E77F63 #89E763

square

#63CBE7 #C163E7 #E77F63 #89E763

split-complementary

#63CBE7 #E76389 #E7C163

monochromatic

#1C94B4 #2EB9DF #63CBE7 #98DDEF #CDEEF7

Accessibility & contrast

On white

1.87

#63CBE7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.23

#63CBE7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CBE7

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CBE7	#FFFFFF	#000000	##000000
##63CBE7	1.00	1.87	11.23	11.23
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.23	21.00	1.00	1.00
##000000	11.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9C6E9

Deuteranopia (green-blind)

#A5B7E7

Tritanopia (blue-blind)

#00D5D4

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #63cbe7;
/* rgb */ color: rgb(99, 203, 231);
/* oklch */ color: oklch(79.1% 0.104 217.9);

Tailwind

colors: {
  custom: {
    50: '#9adbee',
    500: '#63cbe7',
    950: '#000000',
  },
}

SCSS

$custom: #63cbe7;
$custom-light: #9adbee;
$custom-dark: #000000;

JSON

{
  "hex": "#63cbe7",
  "rgb": {
    "r": 99,
    "g": 203,
    "b": 231
  },
  "hsl": {
    "h": 192.727,
    "s": 73.333,
    "l": 64.706
  },
  "oklch": {
    "l": 0.7908,
    "c": 0.10375,
    "h": 217.9
  },
  "luminance": 0.51134
}

Semantic roles & 50–950 ramp

primary

#63CBE7

secondary

#B4543A

accent

#3A10D5

background

#FCFEFF

surface

#F5FBFE

border

#CFD4D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #63CBE7

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

Preview Lab → · Contrast checker → · Palette generator →