#63BFE6#63BFE6

#63BFE6 is a light, moderate cyan. Relative luminance 0.456; OKLCH L 76.3% C 0.104 H 228.1°. Best body text is #000000 at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#63BFE6
RGB	rgb(99, 191, 230)
HSL	hsl(198, 72%, 65%)
HSV	hsv(198, 57%, 90%)
CMYK	cmyk(57%, 17%, 0%, 9.8%)
CIE-LAB	lab(73.30, -16.40, -27.73)
CIE-LCH	lch(73.30, 32.22, 239.40°)
OKLab	oklab(76.31% -0.0693 -0.0772)
OKLCH	oklch(76.31% 0.104 228.1)
XYZ	xyz(38.0538, 45.6239, 81.6485)
Luminance	0.4563 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BFE6 #E68A63

analogous

#63E6CC #63BFE6 #637DE6

triadic

#63BFE6 #E663BF #BFE663

tetradic

#63BFE6 #CC63E6 #E68A63 #7DE663

square

#63BFE6 #CC63E6 #E68A63 #7DE663

split-complementary

#63BFE6 #E6637D #E6CC63

monochromatic

#1D86B2 #2EA9DE #63BFE6 #98D5EE #CCEAF7

Accessibility & contrast

On white

2.07

#63BFE6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.13

#63BFE6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BFE6

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BFE6	#FFFFFF	#000000	##000000
##63BFE6	1.00	2.07	10.13	10.13
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.13	21.00	1.00	1.00
##000000	10.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABBCE8

Deuteranopia (green-blind)

#98AEE6

Tritanopia (blue-blind)

#00CACC

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #63bfe6;
/* rgb */ color: rgb(99, 191, 230);
/* oklch */ color: oklch(76.3% 0.104 228.1);

Tailwind

colors: {
  custom: {
    50: '#99d2ee',
    500: '#63bfe6',
    950: '#000000',
  },
}

SCSS

$custom: #63bfe6;
$custom-light: #99d2ee;
$custom-dark: #000000;

JSON

{
  "hex": "#63bfe6",
  "rgb": {
    "r": 99,
    "g": 191,
    "b": 230
  },
  "hsl": {
    "h": 197.863,
    "s": 72.376,
    "l": 64.51
  },
  "oklch": {
    "l": 0.76307,
    "c": 0.1038,
    "h": 228.1
  },
  "luminance": 0.45627
}

Semantic roles & 50–950 ramp

primary

#63BFE6

secondary

#E9C9BC

accent

#4B11D4

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1416

muted

#7F8284

Preview Lab

Preview with #63BFE6

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

Preview Lab → · Contrast checker → · Palette generator →