#63B3F2#63B3F2

#63B3F2 is a light, vivid cyan. Relative luminance 0.413; OKLCH L 74.2% C 0.121 H 244.2°. Best body text is #000000 at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#63B3F2
RGB	rgb(99, 179, 242)
HSL	hsl(206, 85%, 67%)
HSV	hsv(206, 59%, 95%)
CMYK	cmyk(59.1%, 26%, 0%, 5.1%)
CIE-LAB	lab(70.39, -6.33, -38.75)
CIE-LCH	lch(70.39, 39.27, 260.72°)
OKLab	oklab(74.15% -0.0525 -0.1089)
OKLCH	oklch(74.15% 0.121 244.2)
XYZ	xyz(37.2868, 41.3002, 89.9939)
Luminance	0.4130 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B3F2 #F2A263

analogous

#63F2EA #63B3F2 #636CF2

triadic

#63B3F2 #F263B3 #B3F263

tetradic

#63B3F2 #EA63F2 #F2A263 #6CF263

square

#63B3F2 #EA63F2 #F2A263 #6CF263

split-complementary

#63B3F2 #F2636C #F2EA63

monochromatic

#1178CA #2B97ED #63B3F2 #9BCFF7 #D4EAFB

Accessibility & contrast

On white

2.27

#63B3F2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.26

#63B3F2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B3F2

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B3F2	#FFFFFF	#000000	##000000
##63B3F2	1.00	2.27	9.26	9.26
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.26	21.00	1.00	1.00
##000000	9.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97B4F5

Deuteranopia (green-blind)

#84A6F1

Tritanopia (blue-blind)

#00C2C9

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #63b3f2;
/* rgb */ color: rgb(99, 179, 242);
/* oklch */ color: oklch(74.2% 0.121 244.2);

Tailwind

colors: {
  custom: {
    50: '#9ac9f6',
    500: '#63b3f2',
    950: '#000000',
  },
}

SCSS

$custom: #63b3f2;
$custom-light: #9ac9f6;
$custom-dark: #000000;

JSON

{
  "hex": "#63b3f2",
  "rgb": {
    "r": 99,
    "g": 179,
    "b": 242
  },
  "hsl": {
    "h": 206.434,
    "s": 84.615,
    "l": 66.863
  },
  "oklch": {
    "l": 0.7415,
    "c": 0.12088,
    "h": 244.2
  },
  "luminance": 0.41304
}

Semantic roles & 50–950 ramp

primary

#63B3F2

secondary

#EFD6C2

accent

#6604E1

background

#FAFCFF

surface

#F3F8FE

border

#CDD1D6

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63B3F2

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

Preview Lab → · Contrast checker → · Palette generator →