#63BAE9#63BAE9

#63BAE9 is a light, moderate cyan. Relative luminance 0.437; OKLCH L 75.3% C 0.108 H 234.3°. Best body text is #000000 at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#63BAE9
RGB	rgb(99, 186, 233)
HSL	hsl(201, 75%, 65%)
HSV	hsv(201, 58%, 91%)
CMYK	cmyk(57.5%, 20.2%, 0%, 8.6%)
CIE-LAB	lab(71.99, -12.87, -31.37)
CIE-LCH	lch(71.99, 33.91, 247.70°)
OKLab	oklab(75.3% -0.0629 -0.0876)
OKLCH	oklch(75.3% 0.108 234.3)
XYZ	xyz(37.4069, 43.6502, 83.5290)
Luminance	0.4365 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BAE9 #E99263

analogous

#63E9D5 #63BAE9 #6377E9

triadic

#63BAE9 #E963BA #BAE963

tetradic

#63BAE9 #D563E9 #E99263 #77E963

square

#63BAE9 #D563E9 #E99263 #77E963

split-complementary

#63BAE9 #E96377 #E9D563

monochromatic

#1A80B8 #2DA2E1 #63BAE9 #99D2F1 #CEE9F8

Accessibility & contrast

On white

2.16

#63BAE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.73

#63BAE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BAE9

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BAE9	#FFFFFF	#000000	##000000
##63BAE9	1.00	2.16	9.73	9.73
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.73	21.00	1.00	1.00
##000000	9.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4B8EB

Deuteranopia (green-blind)

#91AAE8

Tritanopia (blue-blind)

#00C6CA

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #63bae9;
/* rgb */ color: rgb(99, 186, 233);
/* oklch */ color: oklch(75.3% 0.108 234.3);

Tailwind

colors: {
  custom: {
    50: '#9acef0',
    500: '#63bae9',
    950: '#000000',
  },
}

SCSS

$custom: #63bae9;
$custom-light: #9acef0;
$custom-dark: #000000;

JSON

{
  "hex": "#63bae9",
  "rgb": {
    "r": 99,
    "g": 186,
    "b": 233
  },
  "hsl": {
    "h": 201.045,
    "s": 75.281,
    "l": 65.098
  },
  "oklch": {
    "l": 0.75304,
    "c": 0.10787,
    "h": 234.3
  },
  "luminance": 0.43654
}

Semantic roles & 50–950 ramp

primary

#63BAE9

secondary

#EBCDBD

accent

#550ED7

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1316

muted

#7F8284

Preview Lab

Preview with #63BAE9

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

Preview Lab → · Contrast checker → · Palette generator →