#63BEEF#63BEEF

#63BEEF is a light, moderate cyan. Relative luminance 0.457; OKLCH L 76.5% C 0.112 H 234.4°. Best body text is #000000 at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#63BEEF
RGB	rgb(99, 190, 239)
HSL	hsl(201, 81%, 66%)
HSV	hsv(201, 59%, 94%)
CMYK	cmyk(58.6%, 20.5%, 0%, 6.3%)
CIE-LAB	lab(73.36, -13.19, -32.52)
CIE-LCH	lch(73.36, 35.09, 247.93°)
OKLab	oklab(76.46% -0.0651 -0.0909)
OKLCH	oklch(76.46% 0.112 234.4)
XYZ	xyz(39.1331, 45.7078, 88.4048)
Luminance	0.4571 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BEEF #EF9463

analogous

#63EFDA #63BEEF #6378EF

triadic

#63BEEF #EF63BE #BEEF63

tetradic

#63BEEF #DA63EF #EF9463 #78EF63

square

#63BEEF #DA63EF #EF9463 #78EF63

split-complementary

#63BEEF #EF6378 #EFDA63

monochromatic

#1486C4 #2BA7E9 #63BEEF #9BD5F5 #D2ECFA

Accessibility & contrast

On white

2.07

#63BEEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.14

#63BEEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BEEF

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BEEF	#FFFFFF	#000000	##000000
##63BEEF	1.00	2.07	10.14	10.14
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.14	21.00	1.00	1.00
##000000	10.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7BCF1

Deuteranopia (green-blind)

#93AEEE

Tritanopia (blue-blind)

#00CBCE

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #63beef;
/* rgb */ color: rgb(99, 190, 239);
/* oklch */ color: oklch(76.5% 0.112 234.4);

Tailwind

colors: {
  custom: {
    50: '#9ad1f4',
    500: '#63beef',
    950: '#000000',
  },
}

SCSS

$custom: #63beef;
$custom-light: #9ad1f4;
$custom-dark: #000000;

JSON

{
  "hex": "#63beef",
  "rgb": {
    "r": 99,
    "g": 190,
    "b": 239
  },
  "hsl": {
    "h": 201,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.76462,
    "c": 0.11182,
    "h": 234.4
  },
  "luminance": 0.45712
}

Semantic roles & 50–950 ramp

primary

#63BEEF

secondary

#EED0C0

accent

#5308DE

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #63BEEF

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

Preview Lab → · Contrast checker → · Palette generator →