#63BDEC#63BDEC

#63BDEC is a light, moderate cyan. Relative luminance 0.451; OKLCH L 76.1% C 0.109 H 233.5°. Best body text is #000000 at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#63BDEC
RGB	rgb(99, 189, 236)
HSL	hsl(201, 78%, 66%)
HSV	hsv(201, 58%, 93%)
CMYK	cmyk(58.1%, 19.9%, 0%, 7.5%)
CIE-LAB	lab(72.96, -13.56, -31.51)
CIE-LCH	lch(72.96, 34.30, 246.72°)
OKLab	oklab(76.11% -0.0651 -0.088)
OKLCH	oklch(76.11% 0.109 233.5)
XYZ	xyz(38.4778, 45.1003, 86.0181)
Luminance	0.4510 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BDEC #EC9263

analogous

#63ECD6 #63BDEC #6378EC

triadic

#63BDEC #EC63BD #BDEC63

tetradic

#63BDEC #D663EC #EC9263 #78EC63

square

#63BDEC #D663EC #EC9263 #78EC63

split-complementary

#63BDEC #EC6378 #ECD663

monochromatic

#1784BE #2CA6E5 #63BDEC #9AD4F3 #D0EBF9

Accessibility & contrast

On white

2.10

#63BDEC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.02

#63BDEC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BDEC

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BDEC	#FFFFFF	#000000	##000000
##63BDEC	1.00	2.10	10.02	10.02
#FFFFFF	2.10	1.00	21.00	21.00
#000000	10.02	21.00	1.00	1.00
##000000	10.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6BBEE

Deuteranopia (green-blind)

#93ADEB

Tritanopia (blue-blind)

#00CACD

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #63bdec;
/* rgb */ color: rgb(99, 189, 236);
/* oklch */ color: oklch(76.1% 0.109 233.5);

Tailwind

colors: {
  custom: {
    50: '#9ad0f2',
    500: '#63bdec',
    950: '#000000',
  },
}

SCSS

$custom: #63bdec;
$custom-light: #9ad0f2;
$custom-dark: #000000;

JSON

{
  "hex": "#63bdec",
  "rgb": {
    "r": 99,
    "g": 189,
    "b": 236
  },
  "hsl": {
    "h": 200.584,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.76108,
    "c": 0.10946,
    "h": 233.5
  },
  "luminance": 0.45104
}

Semantic roles & 50–950 ramp

primary

#63BDEC

secondary

#ECCEBF

accent

#520BDB

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #63BDEC

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

Preview Lab → · Contrast checker → · Palette generator →