#63A6F0#63A6F0

#63A6F0 is a light, vivid cyan. Relative luminance 0.362; OKLCH L 71.2% C 0.129 H 252.2°. Best body text is #000000 at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#63A6F0
RGB	rgb(99, 166, 240)
HSL	hsl(211, 82%, 66%)
HSV	hsv(211, 59%, 94%)
CMYK	cmyk(58.8%, 30.8%, 0%, 5.9%)
CIE-LAB	lab(66.68, 0.29, -43.45)
CIE-LCH	lch(66.68, 43.45, 270.38°)
OKLab	oklab(71.21% -0.0394 -0.1226)
OKLCH	oklch(71.21% 0.129 252.2)
XYZ	xyz(34.5043, 36.2133, 87.5927)
Luminance	0.3622 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A6F0 #F0AD63

analogous

#63EDF0 #63A6F0 #6763F0

triadic

#63A6F0 #F063A6 #A6F063

tetradic

#63A6F0 #F063ED #F0AD63 #63F067

square

#63A6F0 #F063ED #F0AD63 #63F067

split-complementary

#63A6F0 #F06763 #EDF063

monochromatic

#1368C6 #2B86EB #63A6F0 #9BC6F5 #D3E6FB

Accessibility & contrast

On white

2.55

#63A6F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.24

#63A6F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A6F0

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A6F0	#FFFFFF	#000000	##000000
##63A6F0	1.00	2.55	8.24	8.24
#FFFFFF	2.55	1.00	21.00	21.00
#000000	8.24	21.00	1.00	1.00
##000000	8.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#87AAF3

Deuteranopia (green-blind)

#749CEF

Tritanopia (blue-blind)

#00B7C0

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #63a6f0;
/* rgb */ color: rgb(99, 166, 240);
/* oklch */ color: oklch(71.2% 0.129 252.2);

Tailwind

colors: {
  custom: {
    50: '#9ac0f5',
    500: '#63a6f0',
    950: '#000000',
  },
}

SCSS

$custom: #63a6f0;
$custom-light: #9ac0f5;
$custom-dark: #000000;

JSON

{
  "hex": "#63a6f0",
  "rgb": {
    "r": 99,
    "g": 166,
    "b": 240
  },
  "hsl": {
    "h": 211.489,
    "s": 82.456,
    "l": 66.471
  },
  "oklch": {
    "l": 0.71207,
    "c": 0.12874,
    "h": 252.2
  },
  "luminance": 0.36216
}

Semantic roles & 50–950 ramp

primary

#63A6F0

secondary

#EED9C1

accent

#7807DF

background

#FAFBFE

surface

#F3F7FD

border

#CDD0D5

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A6F0

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

Preview Lab → · Contrast checker → · Palette generator →