#63BCDC#63BCDC

#63BCDC is a light, moderate cyan. Relative luminance 0.438; OKLCH L 75.2% C 0.097 H 223.9°. Best body text is #000000 at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#63BCDC
RGB	rgb(99, 188, 220)
HSL	hsl(196, 63%, 63%)
HSV	hsv(196, 55%, 86%)
CMYK	cmyk(55%, 14.5%, 0%, 13.7%)
CIE-LAB	lab(72.08, -17.76, -24.17)
CIE-LCH	lch(72.08, 30.00, 233.68°)
OKLab	oklab(75.22% -0.0697 -0.0671)
OKLCH	oklch(75.22% 0.097 223.9)
XYZ	xyz(36.0421, 43.7831, 74.2479)
Luminance	0.4379 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BCDC #DC8363

analogous

#63DCC0 #63BCDC #637FDC

triadic

#63BCDC #DC63BC #BCDC63

tetradic

#63BCDC #C063DC #DC8363 #7FDC63

square

#63BCDC #C063DC #DC8363 #7FDC63

split-complementary

#63BCDC #DC637F #DCC063

monochromatic

#2480A1 #31A7D1 #63BCDC #95D1E7 #C7E7F2

Accessibility & contrast

On white

2.15

#63BCDC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.76

#63BCDC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BCDC

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BCDC	#FFFFFF	#000000	##000000
##63BCDC	1.00	2.15	9.76	9.76
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.76	21.00	1.00	1.00
##000000	9.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAB8DE

Deuteranopia (green-blind)

#98ABDC

Tritanopia (blue-blind)

#00C6C6

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #63bcdc;
/* rgb */ color: rgb(99, 188, 220);
/* oklch */ color: oklch(75.2% 0.097 223.9);

Tailwind

colors: {
  custom: {
    50: '#98d0e7',
    500: '#63bcdc',
    950: '#000000',
  },
}

SCSS

$custom: #63bcdc;
$custom-light: #98d0e7;
$custom-dark: #000000;

JSON

{
  "hex": "#63bcdc",
  "rgb": {
    "r": 99,
    "g": 188,
    "b": 220
  },
  "hsl": {
    "h": 195.868,
    "s": 63.351,
    "l": 62.549
  },
  "oklch": {
    "l": 0.75217,
    "c": 0.0968,
    "h": 223.9
  },
  "luminance": 0.43786
}

Semantic roles & 50–950 ramp

primary

#63BCDC

secondary

#E3C3B7

accent

#491ACB

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0F1416

muted

#7E8284

Preview Lab

Preview with #63BCDC

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

Preview Lab → · Contrast checker → · Palette generator →