#63BDEE#63BDEE

#63BDEE is a light, moderate cyan. Relative luminance 0.452; OKLCH L 76.2% C 0.111 H 234.6°. Best body text is #000000 at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#63BDEE
RGB	rgb(99, 189, 238)
HSL	hsl(201, 80%, 66%)
HSV	hsv(201, 58%, 93%)
CMYK	cmyk(58.4%, 20.6%, 0%, 6.7%)
CIE-LAB	lab(73.03, -12.96, -32.48)
CIE-LCH	lch(73.03, 34.96, 248.25°)
OKLab	oklab(76.2% -0.0644 -0.0908)
OKLCH	oklch(76.2% 0.111 234.6)
XYZ	xyz(38.7699, 45.2172, 87.5570)
Luminance	0.4522 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BDEE #EE9463

analogous

#63EED9 #63BDEE #6377EE

triadic

#63BDEE #EE63BD #BDEE63

tetradic

#63BDEE #D963EE #EE9463 #77EE63

square

#63BDEE #D963EE #EE9463 #77EE63

split-complementary

#63BDEE #EE6377 #EED963

monochromatic

#1585C2 #2CA6E8 #63BDEE #9AD4F4 #D1ECFA

Accessibility & contrast

On white

2.09

#63BDEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.04

#63BDEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BDEE

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BDEE	#FFFFFF	#000000	##000000
##63BDEE	1.00	2.09	10.04	10.04
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.04	21.00	1.00	1.00
##000000	10.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6BBF0

Deuteranopia (green-blind)

#92ADED

Tritanopia (blue-blind)

#00CACD

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #63bdee;
/* rgb */ color: rgb(99, 189, 238);
/* oklch */ color: oklch(76.2% 0.111 234.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#63bdee",
  "rgb": {
    "r": 99,
    "g": 189,
    "b": 238
  },
  "hsl": {
    "h": 201.151,
    "s": 80.347,
    "l": 66.078
  },
  "oklch": {
    "l": 0.76195,
    "c": 0.11129,
    "h": 234.6
  },
  "luminance": 0.45221
}

Semantic roles & 50–950 ramp

primary

#63BDEE

secondary

#EDD0C0

accent

#5409DD

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #63BDEE

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

Preview Lab → · Contrast checker → · Palette generator →