#63BEE3#63BEE3

#63BEE3 is a light, moderate cyan. Relative luminance 0.450; OKLCH L 76.0% C 0.102 H 227.0°. Best body text is #000000 at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#63BEE3
RGB	rgb(99, 190, 227)
HSL	hsl(197, 70%, 64%)
HSV	hsv(197, 56%, 89%)
CMYK	cmyk(56.4%, 16.3%, 0%, 11%)
CIE-LAB	lab(72.91, -16.76, -26.71)
CIE-LCH	lch(72.91, 31.54, 237.89°)
OKLab	oklab(75.96% -0.0693 -0.0743)
OKLCH	oklch(75.96% 0.102 227)
XYZ	xyz(37.4188, 45.0221, 79.3764)
Luminance	0.4503 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BEE3 #E38863

analogous

#63E3C8 #63BEE3 #637EE3

triadic

#63BEE3 #E363BE #BEE363

tetradic

#63BEE3 #C863E3 #E38863 #7EE363

square

#63BEE3 #C863E3 #E38863 #7EE363

split-complementary

#63BEE3 #E3637E #E3C863

monochromatic

#1F84AD #2FA8DA #63BEE3 #97D4EC #CBE9F6

Accessibility & contrast

On white

2.10

#63BEE3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.01

#63BEE3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BEE3

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BEE3	#FFFFFF	#000000	##000000
##63BEE3	1.00	2.10	10.01	10.01
#FFFFFF	2.10	1.00	21.00	21.00
#000000	10.01	21.00	1.00	1.00
##000000	10.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AABBE5

Deuteranopia (green-blind)

#98ADE3

Tritanopia (blue-blind)

#00C9CA

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #63bee3;
/* rgb */ color: rgb(99, 190, 227);
/* oklch */ color: oklch(76.0% 0.102 227.0);

Tailwind

colors: {
  custom: {
    50: '#99d1ec',
    500: '#63bee3',
    950: '#000000',
  },
}

SCSS

$custom: #63bee3;
$custom-light: #99d1ec;
$custom-dark: #000000;

JSON

{
  "hex": "#63bee3",
  "rgb": {
    "r": 99,
    "g": 190,
    "b": 227
  },
  "hsl": {
    "h": 197.344,
    "s": 69.565,
    "l": 63.922
  },
  "oklch": {
    "l": 0.75956,
    "c": 0.10167,
    "h": 227
  },
  "luminance": 0.45026
}

Semantic roles & 50–950 ramp

primary

#63BEE3

secondary

#E7C7BA

accent

#4B14D2

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0F1416

muted

#7E8284

Preview Lab

Preview with #63BEE3

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

Preview Lab → · Contrast checker → · Palette generator →