#63BCDD#63BCDD

#63BCDD is a light, moderate cyan. Relative luminance 0.438; OKLCH L 75.3% C 0.098 H 224.6°. Best body text is #000000 at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#63BCDD
RGB	rgb(99, 188, 221)
HSL	hsl(196, 64%, 63%)
HSV	hsv(196, 55%, 87%)
CMYK	cmyk(55.2%, 14.9%, 0%, 13.3%)
CIE-LAB	lab(72.12, -17.47, -24.66)
CIE-LCH	lch(72.12, 30.22, 234.68°)
OKLab	oklab(75.26% -0.0694 -0.0685)
OKLCH	oklch(75.26% 0.098 224.6)
XYZ	xyz(36.1749, 43.8362, 74.9475)
Luminance	0.4384 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BCDD #DD8463

analogous

#63DDC1 #63BCDD #637FDD

triadic

#63BCDD #DD63BC #BCDD63

tetradic

#63BCDD #C163DD #DD8463 #7FDD63

square

#63BCDD #C163DD #DD8463 #7FDD63

split-complementary

#63BCDD #DD637F #DDC163

monochromatic

#2380A2 #31A6D2 #63BCDD #95D2E8 #C7E7F3

Accessibility & contrast

On white

2.15

#63BCDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.77

#63BCDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BCDD

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BCDD	#FFFFFF	#000000	##000000
##63BCDD	1.00	2.15	9.77	9.77
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.77	21.00	1.00	1.00
##000000	9.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAB8DF

Deuteranopia (green-blind)

#98ABDD

Tritanopia (blue-blind)

#00C6C7

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #63bcdd;
/* rgb */ color: rgb(99, 188, 221);
/* oklch */ color: oklch(75.3% 0.098 224.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#63bcdd",
  "rgb": {
    "r": 99,
    "g": 188,
    "b": 221
  },
  "hsl": {
    "h": 196.23,
    "s": 64.211,
    "l": 62.745
  },
  "oklch": {
    "l": 0.75257,
    "c": 0.0975,
    "h": 224.6
  },
  "luminance": 0.4384
}

Semantic roles & 50–950 ramp

primary

#63BCDD

secondary

#E4C4B8

accent

#4A19CC

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0F1416

muted

#7E8284

Preview Lab

Preview with #63BCDD

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

Preview Lab → · Contrast checker → · Palette generator →