#63BEF0#63BEF0

#63BEF0 is a light, moderate cyan. Relative luminance 0.458; OKLCH L 76.5% C 0.113 H 234.9°. Best body text is #000000 at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#63BEF0
RGB	rgb(99, 190, 240)
HSL	hsl(201, 82%, 66%)
HSV	hsv(201, 59%, 94%)
CMYK	cmyk(58.8%, 20.8%, 0%, 5.9%)
CIE-LAB	lab(73.39, -12.88, -33.00)
CIE-LCH	lch(73.39, 35.43, 248.67°)
OKLab	oklab(76.51% -0.0648 -0.0923)
OKLCH	oklch(76.51% 0.113 234.9)
XYZ	xyz(39.2812, 45.7671, 89.1850)
Luminance	0.4577 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BEF0 #F09563

analogous

#63F0DC #63BEF0 #6378F0

triadic

#63BEF0 #F063BE #BEF063

tetradic

#63BEF0 #DC63F0 #F09563 #78F063

square

#63BEF0 #DC63F0 #F09563 #78F063

split-complementary

#63BEF0 #F06378 #F0DC63

monochromatic

#1386C6 #2BA7EB #63BEF0 #9BD5F5 #D3EDFB

Accessibility & contrast

On white

2.07

#63BEF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.15

#63BEF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BEF0

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BEF0	#FFFFFF	#000000	##000000
##63BEF0	1.00	2.07	10.15	10.15
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.15	21.00	1.00	1.00
##000000	10.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6BCF2

Deuteranopia (green-blind)

#93AEEF

Tritanopia (blue-blind)

#00CBCF

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #63bef0;
/* rgb */ color: rgb(99, 190, 240);
/* oklch */ color: oklch(76.5% 0.113 234.9);

Tailwind

colors: {
  custom: {
    50: '#9ad1f5',
    500: '#63bef0',
    950: '#000000',
  },
}

SCSS

$custom: #63bef0;
$custom-light: #9ad1f5;
$custom-dark: #000000;

JSON

{
  "hex": "#63bef0",
  "rgb": {
    "r": 99,
    "g": 190,
    "b": 240
  },
  "hsl": {
    "h": 201.277,
    "s": 82.456,
    "l": 66.471
  },
  "oklch": {
    "l": 0.76506,
    "c": 0.11273,
    "h": 234.9
  },
  "luminance": 0.45771
}

Semantic roles & 50–950 ramp

primary

#63BEF0

secondary

#EED1C1

accent

#5307DF

background

#FAFCFE

surface

#F4F9FD

border

#CED2D5

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #63BEF0

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

Preview Lab → · Contrast checker → · Palette generator →