#63BCDE#63BCDE

#63BCDE is a light, moderate cyan. Relative luminance 0.439; OKLCH L 75.3% C 0.098 H 225.4°. Best body text is #000000 at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#63BCDE
RGB	rgb(99, 188, 222)
HSL	hsl(197, 65%, 63%)
HSV	hsv(197, 55%, 87%)
CMYK	cmyk(55.4%, 15.3%, 0%, 12.9%)
CIE-LAB	lab(72.15, -17.18, -25.15)
CIE-LCH	lch(72.15, 30.46, 235.66°)
OKLab	oklab(75.3% -0.069 -0.0699)
OKLCH	oklch(75.3% 0.098 225.4)
XYZ	xyz(36.3086, 43.8897, 75.6512)
Luminance	0.4389 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BCDE #DE8563

analogous

#63DEC2 #63BCDE #637FDE

triadic

#63BCDE #DE63BC #BCDE63

tetradic

#63BCDE #C263DE #DE8563 #7FDE63

square

#63BCDE #C263DE #DE8563 #7FDE63

split-complementary

#63BCDE #DE637F #DEC263

monochromatic

#2380A4 #30A6D3 #63BCDE #96D2E9 #C8E7F3

Accessibility & contrast

On white

2.15

#63BCDE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.78

#63BCDE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BCDE

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BCDE	#FFFFFF	#000000	##000000
##63BCDE	1.00	2.15	9.78	9.78
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.78	21.00	1.00	1.00
##000000	9.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9B8E0

Deuteranopia (green-blind)

#98ABDE

Tritanopia (blue-blind)

#00C6C7

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #63bcde;
/* rgb */ color: rgb(99, 188, 222);
/* oklch */ color: oklch(75.3% 0.098 225.4);

Tailwind

colors: {
  custom: {
    50: '#99d0e8',
    500: '#63bcde',
    950: '#000000',
  },
}

SCSS

$custom: #63bcde;
$custom-light: #99d0e8;
$custom-dark: #000000;

JSON

{
  "hex": "#63bcde",
  "rgb": {
    "r": 99,
    "g": 188,
    "b": 222
  },
  "hsl": {
    "h": 196.585,
    "s": 65.079,
    "l": 62.941
  },
  "oklch": {
    "l": 0.75297,
    "c": 0.09822,
    "h": 225.4
  },
  "luminance": 0.43893
}

Semantic roles & 50–950 ramp

primary

#63BCDE

secondary

#E5C4B8

accent

#4A19CD

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0F1416

muted

#7E8284

Preview Lab

Preview with #63BCDE

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

Preview Lab → · Contrast checker → · Palette generator →