#63BAEF#63BAEF

#63BAEF is a light, moderate cyan. Relative luminance 0.440; OKLCH L 75.6% C 0.114 H 237.6°. Best body text is #000000 at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#63BAEF
RGB	rgb(99, 186, 239)
HSL	hsl(203, 81%, 66%)
HSV	hsv(203, 59%, 94%)
CMYK	cmyk(58.6%, 22.2%, 0%, 6.3%)
CIE-LAB	lab(72.23, -11.05, -34.26)
CIE-LCH	lch(72.23, 36.00, 252.12°)
OKLab	oklab(75.57% -0.0609 -0.0959)
OKLCH	oklch(75.57% 0.114 237.6)
XYZ	xyz(38.2786, 43.9989, 88.1200)
Luminance	0.4400 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BAEF #EF9863

analogous

#63EFDE #63BAEF #6374EF

triadic

#63BAEF #EF63BA #BAEF63

tetradic

#63BAEF #DE63EF #EF9863 #74EF63

square

#63BAEF #DE63EF #EF9863 #74EF63

split-complementary

#63BAEF #EF6374 #EFDE63

monochromatic

#1481C4 #2BA1E9 #63BAEF #9BD3F5 #D2EBFA

Accessibility & contrast

On white

2.14

#63BAEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.80

#63BAEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BAEF

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BAEF	#FFFFFF	#000000	##000000
##63BAEF	1.00	2.14	9.80	9.80
#FFFFFF	2.14	1.00	21.00	21.00
#000000	9.80	21.00	1.00	1.00
##000000	9.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2B9F2

Deuteranopia (green-blind)

#8EABEE

Tritanopia (blue-blind)

#00C8CC

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #63baef;
/* rgb */ color: rgb(99, 186, 239);
/* oklch */ color: oklch(75.6% 0.114 237.6);

Tailwind

colors: {
  custom: {
    50: '#9acef4',
    500: '#63baef',
    950: '#000000',
  },
}

SCSS

$custom: #63baef;
$custom-light: #9acef4;
$custom-dark: #000000;

JSON

{
  "hex": "#63baef",
  "rgb": {
    "r": 99,
    "g": 186,
    "b": 239
  },
  "hsl": {
    "h": 202.714,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.75567,
    "c": 0.1136,
    "h": 237.6
  },
  "luminance": 0.44002
}

Semantic roles & 50–950 ramp

primary

#63BAEF

secondary

#EED1C0

accent

#5908DE

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63BAEF

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

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