#63BFE7#63BFE7

#63BFE7 is a light, moderate cyan. Relative luminance 0.457; OKLCH L 76.3% C 0.105 H 228.7°. Best body text is #000000 at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#63BFE7
RGB	rgb(99, 191, 231)
HSL	hsl(198, 73%, 65%)
HSV	hsv(198, 57%, 91%)
CMYK	cmyk(57.1%, 17.3%, 0%, 9.4%)
CIE-LAB	lab(73.34, -16.11, -28.22)
CIE-LCH	lch(73.34, 32.49, 240.29°)
OKLab	oklab(76.35% -0.069 -0.0786)
OKLCH	oklch(76.35% 0.105 228.7)
XYZ	xyz(38.1947, 45.6802, 82.3901)
Luminance	0.4568 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BFE7 #E78B63

analogous

#63E7CD #63BFE7 #637DE7

triadic

#63BFE7 #E763BF #BFE763

tetradic

#63BFE7 #CD63E7 #E78B63 #7DE763

square

#63BFE7 #CD63E7 #E78B63 #7DE763

split-complementary

#63BFE7 #E7637D #E7CD63

monochromatic

#1C86B4 #2EA9DF #63BFE7 #98D5EF #CDEBF7

Accessibility & contrast

On white

2.07

#63BFE7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.14

#63BFE7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BFE7

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BFE7	#FFFFFF	#000000	##000000
##63BFE7	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)

#AABCE9

Deuteranopia (green-blind)

#98AEE6

Tritanopia (blue-blind)

#00CACC

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #63bfe7;
/* rgb */ color: rgb(99, 191, 231);
/* oklch */ color: oklch(76.3% 0.105 228.7);

Tailwind

colors: {
  custom: {
    50: '#9ad2ee',
    500: '#63bfe7',
    950: '#000000',
  },
}

SCSS

$custom: #63bfe7;
$custom-light: #9ad2ee;
$custom-dark: #000000;

JSON

{
  "hex": "#63bfe7",
  "rgb": {
    "r": 99,
    "g": 191,
    "b": 231
  },
  "hsl": {
    "h": 198.182,
    "s": 73.333,
    "l": 64.706
  },
  "oklch": {
    "l": 0.76348,
    "c": 0.10459,
    "h": 228.7
  },
  "luminance": 0.45684
}

Semantic roles & 50–950 ramp

primary

#63BFE7

secondary

#EACABC

accent

#4C10D5

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1416

muted

#7F8284

Preview Lab

Preview with #63BFE7

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

Preview Lab → · Contrast checker → · Palette generator →