#63BFEE#63BFEE

#63BFEE is a light, moderate cyan. Relative luminance 0.461; OKLCH L 76.6% C 0.111 H 233.0°. Best body text is #000000 at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#63BFEE
RGB	rgb(99, 191, 238)
HSL	hsl(200, 80%, 66%)
HSV	hsv(200, 58%, 93%)
CMYK	cmyk(58.4%, 19.7%, 0%, 6.7%)
CIE-LAB	lab(73.60, -14.02, -31.60)
CIE-LCH	lch(73.60, 34.57, 246.08°)
OKLab	oklab(76.64% -0.0665 -0.0883)
OKLCH	oklch(76.64% 0.111 233)
XYZ	xyz(39.2031, 46.0836, 87.7014)
Luminance	0.4609 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BFEE #EE9263

analogous

#63EED8 #63BFEE #6379EE

triadic

#63BFEE #EE63BF #BFEE63

tetradic

#63BFEE #D863EE #EE9263 #79EE63

square

#63BFEE #D863EE #EE9263 #79EE63

split-complementary

#63BFEE #EE6379 #EED863

monochromatic

#1587C2 #2CA8E8 #63BFEE #9AD6F4 #D1ECFA

Accessibility & contrast

On white

2.06

#63BFEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.22

#63BFEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BFEE

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BFEE	#FFFFFF	#000000	##000000
##63BFEE	1.00	2.06	10.22	10.22
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.22	21.00	1.00	1.00
##000000	10.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8BDF0

Deuteranopia (green-blind)

#95AEED

Tritanopia (blue-blind)

#00CCCF

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #63bfee;
/* rgb */ color: rgb(99, 191, 238);
/* oklch */ color: oklch(76.6% 0.111 233.0);

Tailwind

colors: {
  custom: {
    50: '#9ad2f3',
    500: '#63bfee',
    950: '#000000',
  },
}

SCSS

$custom: #63bfee;
$custom-light: #9ad2f3;
$custom-dark: #000000;

JSON

{
  "hex": "#63bfee",
  "rgb": {
    "r": 99,
    "g": 191,
    "b": 238
  },
  "hsl": {
    "h": 200.288,
    "s": 80.347,
    "l": 66.078
  },
  "oklch": {
    "l": 0.76644,
    "c": 0.11053,
    "h": 233
  },
  "luminance": 0.46087
}

Semantic roles & 50–950 ramp

primary

#63BFEE

secondary

#EDCFC0

accent

#5009DD

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #63BFEE

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

Preview Lab → · Contrast checker → · Palette generator →