#63BFE8#63BFE8

#63BFE8 is a light, moderate cyan. Relative luminance 0.457; OKLCH L 76.4% C 0.105 H 229.4°. Best body text is #000000 at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#63BFE8
RGB	rgb(99, 191, 232)
HSL	hsl(198, 74%, 65%)
HSV	hsv(198, 57%, 91%)
CMYK	cmyk(57.3%, 17.7%, 0%, 9%)
CIE-LAB	lab(73.37, -15.81, -28.70)
CIE-LCH	lch(73.37, 32.77, 241.16°)
OKLab	oklab(76.39% -0.0686 -0.08)
OKLCH	oklch(76.39% 0.105 229.4)
XYZ	xyz(38.3363, 45.7368, 83.1361)
Luminance	0.4574 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BFE8 #E88C63

analogous

#63E8CE #63BFE8 #637DE8

triadic

#63BFE8 #E863BF #BFE863

tetradic

#63BFE8 #CE63E8 #E88C63 #7DE863

square

#63BFE8 #CE63E8 #E88C63 #7DE863

split-complementary

#63BFE8 #E8637D #E8CE63

monochromatic

#1B86B6 #2EA9E0 #63BFE8 #98D5F0 #CEEBF8

Accessibility & contrast

On white

2.07

#63BFE8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.15

#63BFE8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BFE8

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BFE8	#FFFFFF	#000000	##000000
##63BFE8	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)

#AABCEA

Deuteranopia (green-blind)

#97AEE7

Tritanopia (blue-blind)

#00CBCC

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #63bfe8;
/* rgb */ color: rgb(99, 191, 232);
/* oklch */ color: oklch(76.4% 0.105 229.4);

Tailwind

colors: {
  custom: {
    50: '#9ad2ef',
    500: '#63bfe8',
    950: '#000000',
  },
}

SCSS

$custom: #63bfe8;
$custom-light: #9ad2ef;
$custom-dark: #000000;

JSON

{
  "hex": "#63bfe8",
  "rgb": {
    "r": 99,
    "g": 191,
    "b": 232
  },
  "hsl": {
    "h": 198.496,
    "s": 74.302,
    "l": 64.902
  },
  "oklch": {
    "l": 0.7639,
    "c": 0.1054,
    "h": 229.4
  },
  "luminance": 0.4574
}

Semantic roles & 50–950 ramp

primary

#63BFE8

secondary

#EACBBD

accent

#4D0FD6

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1416

muted

#7F8284

Preview Lab

Preview with #63BFE8

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

Preview Lab → · Contrast checker → · Palette generator →