#63BCEF#63BCEF

#63BCEF is a light, moderate cyan. Relative luminance 0.449; OKLCH L 76.0% C 0.113 H 236.0°. Best body text is #000000 at 9.97:1 contrast (WCAG AA passes).

Color values

HEX	#63BCEF
RGB	rgb(99, 188, 239)
HSL	hsl(202, 81%, 66%)
HSV	hsv(202, 59%, 94%)
CMYK	cmyk(58.6%, 21.3%, 0%, 6.3%)
CIE-LAB	lab(72.79, -12.12, -33.39)
CIE-LCH	lch(72.79, 35.52, 250.05°)
OKLab	oklab(76.01% -0.063 -0.0934)
OKLCH	oklch(76.01% 0.113 236)
XYZ	xyz(38.7029, 44.8474, 88.2614)
Luminance	0.4485 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BCEF #EF9663

analogous

#63EFDC #63BCEF #6376EF

triadic

#63BCEF #EF63BC #BCEF63

tetradic

#63BCEF #DC63EF #EF9663 #76EF63

square

#63BCEF #DC63EF #EF9663 #76EF63

split-complementary

#63BCEF #EF6376 #EFDC63

monochromatic

#1484C4 #2BA4E9 #63BCEF #9BD4F5 #D2ECFA

Accessibility & contrast

On white

2.11

#63BCEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.97

#63BCEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BCEF

9.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BCEF	#FFFFFF	#000000	##000000
##63BCEF	1.00	2.11	9.97	9.97
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.97	21.00	1.00	1.00
##000000	9.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4BBF1

Deuteranopia (green-blind)

#91ACEE

Tritanopia (blue-blind)

#00C9CD

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #63bcef;
/* rgb */ color: rgb(99, 188, 239);
/* oklch */ color: oklch(76.0% 0.113 236.0);

Tailwind

colors: {
  custom: {
    50: '#9ad0f4',
    500: '#63bcef',
    950: '#000000',
  },
}

SCSS

$custom: #63bcef;
$custom-light: #9ad0f4;
$custom-dark: #000000;

JSON

{
  "hex": "#63bcef",
  "rgb": {
    "r": 99,
    "g": 188,
    "b": 239
  },
  "hsl": {
    "h": 201.857,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.76014,
    "c": 0.11266,
    "h": 236
  },
  "luminance": 0.44851
}

Semantic roles & 50–950 ramp

primary

#63BCEF

secondary

#EED1C0

accent

#5608DE

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #63BCEF

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

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