#63BCEE#63BCEE

#63BCEE is a light, moderate cyan. Relative luminance 0.448; OKLCH L 76.0% C 0.112 H 235.5°. Best body text is #000000 at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#63BCEE
RGB	rgb(99, 188, 238)
HSL	hsl(202, 80%, 66%)
HSV	hsv(202, 58%, 93%)
CMYK	cmyk(58.4%, 21%, 0%, 6.7%)
CIE-LAB	lab(72.75, -12.42, -32.91)
CIE-LCH	lch(72.75, 35.18, 249.32°)
OKLab	oklab(75.97% -0.0633 -0.092)
OKLCH	oklch(75.97% 0.112 235.5)
XYZ	xyz(38.5556, 44.7885, 87.4855)
Luminance	0.4479 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BCEE #EE9563

analogous

#63EEDB #63BCEE #6376EE

triadic

#63BCEE #EE63BC #BCEE63

tetradic

#63BCEE #DB63EE #EE9563 #76EE63

square

#63BCEE #DB63EE #EE9563 #76EE63

split-complementary

#63BCEE #EE6376 #EEDB63

monochromatic

#1583C2 #2CA4E8 #63BCEE #9AD4F4 #D1EBFA

Accessibility & contrast

On white

2.11

#63BCEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.96

#63BCEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BCEE

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BCEE	#FFFFFF	#000000	##000000
##63BCEE	1.00	2.11	9.96	9.96
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.96	21.00	1.00	1.00
##000000	9.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4BBF0

Deuteranopia (green-blind)

#91ACED

Tritanopia (blue-blind)

#00C9CD

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #63bcee;
/* rgb */ color: rgb(99, 188, 238);
/* oklch */ color: oklch(76.0% 0.112 235.5);

Tailwind

colors: {
  custom: {
    50: '#9ad0f3',
    500: '#63bcee',
    950: '#000000',
  },
}

SCSS

$custom: #63bcee;
$custom-light: #9ad0f3;
$custom-dark: #000000;

JSON

{
  "hex": "#63bcee",
  "rgb": {
    "r": 99,
    "g": 188,
    "b": 238
  },
  "hsl": {
    "h": 201.583,
    "s": 80.347,
    "l": 66.078
  },
  "oklch": {
    "l": 0.75971,
    "c": 0.11171,
    "h": 235.5
  },
  "luminance": 0.44792
}

Semantic roles & 50–950 ramp

primary

#63BCEE

secondary

#EDD0C0

accent

#5509DD

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #63BCEE

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

Preview Lab → · Contrast checker → · Palette generator →