#63BDF7#63BDF7

#63BDF7 is a light, vivid cyan. Relative luminance 0.458; OKLCH L 76.6% C 0.120 H 239.2°. Best body text is #000000 at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#63BDF7
RGB	rgb(99, 189, 247)
HSL	hsl(204, 90%, 68%)
HSV	hsv(204, 60%, 97%)
CMYK	cmyk(59.9%, 23.5%, 0%, 3.1%)
CIE-LAB	lab(73.39, -10.21, -36.79)
CIE-LCH	lch(73.39, 38.18, 254.48°)
OKLab	oklab(76.59% -0.0614 -0.1031)
OKLCH	oklch(76.59% 0.12 239.2)
XYZ	xyz(40.1254, 45.7594, 94.6955)
Luminance	0.4576 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BDF7 #F79D63

analogous

#63F7E7 #63BDF7 #6373F7

triadic

#63BDF7 #F763BD #BDF763

tetradic

#63BDF7 #E763F7 #F79D63 #73F763

square

#63BDF7 #E763F7 #F79D63 #73F763

split-complementary

#63BDF7 #F76373 #F7E763

monochromatic

#0B86D5 #29A4F4 #63BDF7 #9DD6FA #D7EEFD

Accessibility & contrast

On white

2.07

#63BDF7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.15

#63BDF7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BDF7

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BDF7	#FFFFFF	#000000	##000000
##63BDF7	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)

#A3BDFA

Deuteranopia (green-blind)

#8EAEF6

Tritanopia (blue-blind)

#00CCD1

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #63bdf7;
/* rgb */ color: rgb(99, 189, 247);
/* oklch */ color: oklch(76.6% 0.120 239.2);

Tailwind

colors: {
  custom: {
    50: '#9bd0fa',
    500: '#63bdf7',
    950: '#000000',
  },
}

SCSS

$custom: #63bdf7;
$custom-light: #9bd0fa;
$custom-dark: #000000;

JSON

{
  "hex": "#63bdf7",
  "rgb": {
    "r": 99,
    "g": 189,
    "b": 247
  },
  "hsl": {
    "h": 203.514,
    "s": 90.244,
    "l": 67.843
  },
  "oklch": {
    "l": 0.76593,
    "c": 0.12004,
    "h": 239.2
  },
  "luminance": 0.45763
}

Semantic roles & 50–950 ramp

primary

#63BDF7

secondary

#F2D6C4

accent

#5A00E6

background

#FAFCFF

surface

#F4F9FF

border

#CED2D7

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #63BDF7

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

Preview Lab → · Contrast checker → · Palette generator →