#63B2F4#63B2F4

#63B2F4 is a light, vivid cyan. Relative luminance 0.410; OKLCH L 74.0% C 0.124 H 245.8°. Best body text is #000000 at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#63B2F4
RGB	rgb(99, 178, 244)
HSL	hsl(207, 87%, 67%)
HSV	hsv(207, 59%, 96%)
CMYK	cmyk(59.4%, 27%, 0%, 4.3%)
CIE-LAB	lab(70.19, -5.16, -40.14)
CIE-LCH	lch(70.19, 40.47, 262.68°)
OKLab	oklab(74.02% -0.0508 -0.1129)
OKLCH	oklch(74.02% 0.124 245.8)
XYZ	xyz(37.3891, 41.0216, 91.5180)
Luminance	0.4103 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B2F4 #F4A563

analogous

#63F4ED #63B2F4 #636AF4

triadic

#63B2F4 #F463B2 #B2F463

tetradic

#63B2F4 #ED63F4 #F4A563 #6AF463

square

#63B2F4 #ED63F4 #F4A563 #6AF463

split-complementary

#63B2F4 #F4636A #F4ED63

monochromatic

#0F77CE #2A96F0 #63B2F4 #9CCEF8 #D5EAFC

Accessibility & contrast

On white

2.28

#63B2F4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.21

#63B2F4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B2F4

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B2F4	#FFFFFF	#000000	##000000
##63B2F4	1.00	2.28	9.21	9.21
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.21	21.00	1.00	1.00
##000000	9.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95B4F7

Deuteranopia (green-blind)

#82A5F3

Tritanopia (blue-blind)

#00C2C9

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #63b2f4;
/* rgb */ color: rgb(99, 178, 244);
/* oklch */ color: oklch(74.0% 0.124 245.8);

Tailwind

colors: {
  custom: {
    50: '#9ac8f8',
    500: '#63b2f4',
    950: '#000000',
  },
}

SCSS

$custom: #63b2f4;
$custom-light: #9ac8f8;
$custom-dark: #000000;

JSON

{
  "hex": "#63b2f4",
  "rgb": {
    "r": 99,
    "g": 178,
    "b": 244
  },
  "hsl": {
    "h": 207.31,
    "s": 86.826,
    "l": 67.255
  },
  "oklch": {
    "l": 0.74024,
    "c": 0.12381,
    "h": 245.8
  },
  "luminance": 0.41025
}

Semantic roles & 50–950 ramp

primary

#63B2F4

secondary

#F0D7C3

accent

#6902E3

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63B2F4

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

Preview Lab → · Contrast checker → · Palette generator →