#63B4F7#63B4F7

#63B4F7 is a light, vivid cyan. Relative luminance 0.420; OKLCH L 74.6% C 0.126 H 245.6°. Best body text is #000000 at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#63B4F7
RGB	rgb(99, 180, 247)
HSL	hsl(207, 90%, 68%)
HSV	hsv(207, 60%, 97%)
CMYK	cmyk(59.9%, 27.1%, 0%, 3.1%)
CIE-LAB	lab(70.88, -5.32, -40.70)
CIE-LCH	lch(70.88, 41.05, 262.55°)
OKLab	oklab(74.61% -0.052 -0.1145)
OKLCH	oklch(74.61% 0.126 245.6)
XYZ	xyz(38.2491, 42.0070, 94.0701)
Luminance	0.4201 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B4F7 #F7A663

analogous

#63F7F0 #63B4F7 #636AF7

triadic

#63B4F7 #F763B4 #B4F763

tetradic

#63B4F7 #F063F7 #F7A663 #6AF763

square

#63B4F7 #F063F7 #F7A663 #6AF763

split-complementary

#63B4F7 #F7636A #F7F063

monochromatic

#0B79D5 #2998F4 #63B4F7 #9DD0FA #D7ECFD

Accessibility & contrast

On white

2.23

#63B4F7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.40

#63B4F7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B4F7

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B4F7	#FFFFFF	#000000	##000000
##63B4F7	1.00	2.23	9.40	9.40
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.40	21.00	1.00	1.00
##000000	9.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97B6FA

Deuteranopia (green-blind)

#83A7F6

Tritanopia (blue-blind)

#00C4CB

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #63b4f7;
/* rgb */ color: rgb(99, 180, 247);
/* oklch */ color: oklch(74.6% 0.126 245.6);

Tailwind

colors: {
  custom: {
    50: '#9bcafa',
    500: '#63b4f7',
    950: '#000000',
  },
}

SCSS

$custom: #63b4f7;
$custom-light: #9bcafa;
$custom-dark: #000000;

JSON

{
  "hex": "#63b4f7",
  "rgb": {
    "r": 99,
    "g": 180,
    "b": 247
  },
  "hsl": {
    "h": 207.162,
    "s": 90.244,
    "l": 67.843
  },
  "oklch": {
    "l": 0.74606,
    "c": 0.12576,
    "h": 245.6
  },
  "luminance": 0.42011
}

Semantic roles & 50–950 ramp

primary

#63B4F7

secondary

#F2D9C4

accent

#6800E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63B4F7

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

Preview Lab → · Contrast checker → · Palette generator →