#63CBEE#63CBEE

#63CBEE is a light, moderate cyan. Relative luminance 0.515; OKLCH L 79.4% C 0.108 H 222.8°. Best body text is #000000 at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#63CBEE
RGB	rgb(99, 203, 238)
HSL	hsl(195, 80%, 66%)
HSV	hsv(195, 58%, 93%)
CMYK	cmyk(58.4%, 14.7%, 0%, 6.7%)
CIE-LAB	lab(77.00, -20.25, -26.38)
CIE-LCH	lch(77.00, 33.25, 232.49°)
OKLab	oklab(79.36% -0.0792 -0.0734)
OKLCH	oklch(79.36% 0.108 222.8)
XYZ	xyz(41.9281, 51.5335, 88.6097)
Luminance	0.5154 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CBEE #EE8663

analogous

#63EECB #63CBEE #6385EE

triadic

#63CBEE #EE63CB #CBEE63

tetradic

#63CBEE #CB63EE #EE8663 #85EE63

square

#63CBEE #CB63EE #EE8663 #85EE63

split-complementary

#63CBEE #EE6385 #EECB63

monochromatic

#1596C2 #2CB9E8 #63CBEE #9ADDF4 #D1F0FA

Accessibility & contrast

On white

1.86

#63CBEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.31

#63CBEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CBEE

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CBEE	#FFFFFF	#000000	##000000
##63CBEE	1.00	1.86	11.31	11.31
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.31	21.00	1.00	1.00
##000000	11.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7C7F0

Deuteranopia (green-blind)

#A3B8EE

Tritanopia (blue-blind)

#00D6D6

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #63cbee;
/* rgb */ color: rgb(99, 203, 238);
/* oklch */ color: oklch(79.4% 0.108 222.8);

Tailwind

colors: {
  custom: {
    50: '#9bdbf3',
    500: '#63cbee',
    950: '#000000',
  },
}

SCSS

$custom: #63cbee;
$custom-light: #9bdbf3;
$custom-dark: #000000;

JSON

{
  "hex": "#63cbee",
  "rgb": {
    "r": 99,
    "g": 203,
    "b": 238
  },
  "hsl": {
    "h": 195.108,
    "s": 80.347,
    "l": 66.078
  },
  "oklch": {
    "l": 0.79356,
    "c": 0.10795,
    "h": 222.8
  },
  "luminance": 0.51538
}

Semantic roles & 50–950 ramp

primary

#63CBEE

secondary

#C05836

accent

#3E09DD

background

#FCFEFF

surface

#F5FBFE

border

#CFD4D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63CBEE

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

Preview Lab → · Contrast checker → · Palette generator →