#63A4F0#63A4F0

#63A4F0 is a light, vivid cyan. Relative luminance 0.355; OKLCH L 70.8% C 0.131 H 253.4°. Best body text is #000000 at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#63A4F0
RGB	rgb(99, 164, 240)
HSL	hsl(212, 82%, 66%)
HSV	hsv(212, 59%, 94%)
CMYK	cmyk(58.8%, 31.7%, 0%, 5.9%)
CIE-LAB	lab(66.13, 1.43, -44.32)
CIE-LCH	lch(66.13, 44.34, 271.84°)
OKLab	oklab(70.77% -0.0373 -0.1251)
OKLCH	oklch(70.77% 0.131 253.4)
XYZ	xyz(34.1436, 35.4918, 87.4725)
Luminance	0.3549 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A4F0 #F0AF63

analogous

#63EBF0 #63A4F0 #6963F0

triadic

#63A4F0 #F063A4 #A4F063

tetradic

#63A4F0 #F063EB #F0AF63 #63F069

square

#63A4F0 #F063EB #F0AF63 #63F069

split-complementary

#63A4F0 #F06963 #EBF063

monochromatic

#1365C6 #2B83EB #63A4F0 #9BC5F5 #D3E5FB

Accessibility & contrast

On white

2.59

#63A4F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.10

#63A4F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A4F0

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A4F0	#FFFFFF	#000000	##000000
##63A4F0	1.00	2.59	8.10	8.10
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.10	21.00	1.00	1.00
##000000	8.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84A8F3

Deuteranopia (green-blind)

#719BEE

Tritanopia (blue-blind)

#00B5BF

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #63a4f0;
/* rgb */ color: rgb(99, 164, 240);
/* oklch */ color: oklch(70.8% 0.131 253.4);

Tailwind

colors: {
  custom: {
    50: '#9abef5',
    500: '#63a4f0',
    950: '#000000',
  },
}

SCSS

$custom: #63a4f0;
$custom-light: #9abef5;
$custom-dark: #000000;

JSON

{
  "hex": "#63a4f0",
  "rgb": {
    "r": 99,
    "g": 164,
    "b": 240
  },
  "hsl": {
    "h": 212.34,
    "s": 82.456,
    "l": 66.471
  },
  "oklch": {
    "l": 0.70774,
    "c": 0.13054,
    "h": 253.4
  },
  "luminance": 0.35495
}

Semantic roles & 50–950 ramp

primary

#63A4F0

secondary

#EED9C1

accent

#7B07DF

background

#FAFBFF

surface

#F3F6FE

border

#CDD0D6

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A4F0

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

Preview Lab → · Contrast checker → · Palette generator →