#63B5FA#63B5FA

#63B5FA is a light, vivid cyan. Relative luminance 0.426; OKLCH L 75.0% C 0.128 H 246.0°. Best body text is #000000 at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#63B5FA
RGB	rgb(99, 181, 250)
HSL	hsl(207, 94%, 68%)
HSV	hsv(207, 60%, 98%)
CMYK	cmyk(60.4%, 27.6%, 0%, 2%)
CIE-LAB	lab(71.28, -4.93, -41.69)
CIE-LCH	lch(71.28, 41.98, 263.26°)
OKLab	oklab(74.97% -0.0522 -0.1173)
OKLCH	oklch(74.97% 0.128 246)
XYZ	xyz(38.9184, 42.5988, 96.5954)
Luminance	0.4260 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B5FA #FAA863

analogous

#63FAF3 #63B5FA #6369FA

triadic

#63B5FA #FA63B5 #B5FA63

tetradic

#63B5FA #F363FA #FAA863 #69FA63

square

#63B5FA #F363FA #FAA863 #69FA63

split-complementary

#63B5FA #FA6369 #FAF363

monochromatic

#077ADC #2899F8 #63B5FA #9ED1FC #DAEDFE

Accessibility & contrast

On white

2.21

#63B5FA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.52

#63B5FA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B5FA

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B5FA	#FFFFFF	#000000	##000000
##63B5FA	1.00	2.21	9.52	9.52
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.52	21.00	1.00	1.00
##000000	9.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97B7FD

Deuteranopia (green-blind)

#83A8F9

Tritanopia (blue-blind)

#00C5CD

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #63b5fa;
/* rgb */ color: rgb(99, 181, 250);
/* oklch */ color: oklch(75.0% 0.128 246.0);

Tailwind

colors: {
  custom: {
    50: '#9bcbfc',
    500: '#63b5fa',
    950: '#000000',
  },
}

SCSS

$custom: #63b5fa;
$custom-light: #9bcbfc;
$custom-dark: #000000;

JSON

{
  "hex": "#63b5fa",
  "rgb": {
    "r": 99,
    "g": 181,
    "b": 250
  },
  "hsl": {
    "h": 207.417,
    "s": 93.789,
    "l": 68.431
  },
  "oklch": {
    "l": 0.74968,
    "c": 0.12842,
    "h": 246
  },
  "luminance": 0.42603
}

Semantic roles & 50–950 ramp

primary

#63B5FA

secondary

#F3DAC6

accent

#6900E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63B5FA

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

Preview Lab → · Contrast checker → · Palette generator →