#63B5F2#63B5F2

#63B5F2 is a light, moderate cyan. Relative luminance 0.421; OKLCH L 74.6% C 0.120 H 242.8°. Best body text is #000000 at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#63B5F2
RGB	rgb(99, 181, 242)
HSL	hsl(206, 85%, 67%)
HSV	hsv(206, 59%, 95%)
CMYK	cmyk(59.1%, 25.2%, 0%, 5.1%)
CIE-LAB	lab(70.95, -7.42, -37.88)
CIE-LCH	lch(70.95, 38.60, 258.91°)
OKLab	oklab(74.59% -0.0546 -0.1063)
OKLCH	oklch(74.59% 0.12 242.8)
XYZ	xyz(37.6905, 42.1077, 90.1285)
Luminance	0.4211 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B5F2 #F2A063

analogous

#63F2E7 #63B5F2 #636EF2

triadic

#63B5F2 #F263B5 #B5F263

tetradic

#63B5F2 #E763F2 #F2A063 #6EF263

square

#63B5F2 #E763F2 #F2A063 #6EF263

split-complementary

#63B5F2 #F2636E #F2E763

monochromatic

#117BCA #2B9AED #63B5F2 #9BD0F7 #D4EBFB

Accessibility & contrast

On white

2.23

#63B5F2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.42

#63B5F2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B5F2

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B5F2	#FFFFFF	#000000	##000000
##63B5F2	1.00	2.23	9.42	9.42
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.42	21.00	1.00	1.00
##000000	9.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AB6F5

Deuteranopia (green-blind)

#87A7F1

Tritanopia (blue-blind)

#00C4CA

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #63b5f2;
/* rgb */ color: rgb(99, 181, 242);
/* oklch */ color: oklch(74.6% 0.120 242.8);

Tailwind

colors: {
  custom: {
    50: '#9acbf6',
    500: '#63b5f2',
    950: '#000000',
  },
}

SCSS

$custom: #63b5f2;
$custom-light: #9acbf6;
$custom-dark: #000000;

JSON

{
  "hex": "#63b5f2",
  "rgb": {
    "r": 99,
    "g": 181,
    "b": 242
  },
  "hsl": {
    "h": 205.594,
    "s": 84.615,
    "l": 66.863
  },
  "oklch": {
    "l": 0.74592,
    "c": 0.11955,
    "h": 242.8
  },
  "luminance": 0.42111
}

Semantic roles & 50–950 ramp

primary

#63B5F2

secondary

#EFD5C2

accent

#6304E1

background

#FAFCFF

surface

#F3F8FE

border

#CDD1D6

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63B5F2

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

Preview Lab → · Contrast checker → · Palette generator →