#63B1FA#63B1FA

#63B1FA is a light, vivid cyan. Relative luminance 0.410; OKLCH L 74.1% C 0.131 H 248.6°. Best body text is #000000 at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#63B1FA
RGB	rgb(99, 177, 250)
HSL	hsl(209, 94%, 68%)
HSV	hsv(209, 60%, 98%)
CMYK	cmyk(60.4%, 29.2%, 0%, 2%)
CIE-LAB	lab(70.17, -2.72, -43.42)
CIE-LCH	lch(70.17, 43.51, 266.42°)
OKLab	oklab(74.1% -0.048 -0.1224)
OKLCH	oklch(74.1% 0.131 248.6)
XYZ	xyz(38.1167, 40.9955, 96.3281)
Luminance	0.4100 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B1FA #FAAC63

analogous

#63FAF8 #63B1FA #6365FA

triadic

#63B1FA #FA63B1 #B1FA63

tetradic

#63B1FA #F863FA #FAAC63 #65FA63

square

#63B1FA #F863FA #FAAC63 #65FA63

split-complementary

#63B1FA #FA6365 #FAF863

monochromatic

#0775DC #2893F8 #63B1FA #9ECFFC #DAECFE

Accessibility & contrast

On white

2.28

#63B1FA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.20

#63B1FA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B1FA

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B1FA	#FFFFFF	#000000	##000000
##63B1FA	1.00	2.28	9.20	9.20
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.20	21.00	1.00	1.00
##000000	9.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92B4FD

Deuteranopia (green-blind)

#7DA5F9

Tritanopia (blue-blind)

#00C2CB

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #63b1fa;
/* rgb */ color: rgb(99, 177, 250);
/* oklch */ color: oklch(74.1% 0.131 248.6);

Tailwind

colors: {
  custom: {
    50: '#9bc8fc',
    500: '#63b1fa',
    950: '#000000',
  },
}

SCSS

$custom: #63b1fa;
$custom-light: #9bc8fc;
$custom-dark: #000000;

JSON

{
  "hex": "#63b1fa",
  "rgb": {
    "r": 99,
    "g": 177,
    "b": 250
  },
  "hsl": {
    "h": 209.007,
    "s": 93.789,
    "l": 68.431
  },
  "oklch": {
    "l": 0.74095,
    "c": 0.13149,
    "h": 248.6
  },
  "luminance": 0.40999
}

Semantic roles & 50–950 ramp

primary

#63B1FA

secondary

#F3DCC6

accent

#6F00E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63B1FA

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

Preview Lab → · Contrast checker → · Palette generator →