#63A3F7#63A3F7

#63A3F7 is a light, vivid cyan. Relative luminance 0.356; OKLCH L 70.9% C 0.140 H 255.8°. Best body text is #000000 at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#63A3F7
RGB	rgb(99, 163, 247)
HSL	hsl(214, 90%, 68%)
HSV	hsv(214, 60%, 97%)
CMYK	cmyk(59.9%, 34%, 0%, 3.1%)
CIE-LAB	lab(66.18, 4.24, -48.06)
CIE-LCH	lch(66.18, 48.25, 275.04°)
OKLab	oklab(70.92% -0.0344 -0.136)
OKLCH	oklch(70.92% 0.14 255.8)
XYZ	xyz(35.0253, 35.5593, 92.9955)
Luminance	0.3556 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A3F7 #F7B763

analogous

#63EDF7 #63A3F7 #6D63F7

triadic

#63A3F7 #F763A3 #A3F763

tetradic

#63A3F7 #F763ED #F7B763 #63F76D

square

#63A3F7 #F763ED #F7B763 #63F76D

split-complementary

#63A3F7 #F76D63 #EDF763

monochromatic

#0B62D5 #2981F4 #63A3F7 #9DC5FA #D7E8FD

Accessibility & contrast

On white

2.59

#63A3F7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.11

#63A3F7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A3F7

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A3F7	#FFFFFF	#000000	##000000
##63A3F7	1.00	2.59	8.11	8.11
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.11	21.00	1.00	1.00
##000000	8.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7FA9FB

Deuteranopia (green-blind)

#6C9AF5

Tritanopia (blue-blind)

#00B6C2

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #63a3f7;
/* rgb */ color: rgb(99, 163, 247);
/* oklch */ color: oklch(70.9% 0.140 255.8);

Tailwind

colors: {
  custom: {
    50: '#9bbdfa',
    500: '#63a3f7',
    950: '#000000',
  },
}

SCSS

$custom: #63a3f7;
$custom-light: #9bbdfa;
$custom-dark: #000000;

JSON

{
  "hex": "#63a3f7",
  "rgb": {
    "r": 99,
    "g": 163,
    "b": 247
  },
  "hsl": {
    "h": 214.054,
    "s": 90.244,
    "l": 67.843
  },
  "oklch": {
    "l": 0.70922,
    "c": 0.1403,
    "h": 255.8
  },
  "luminance": 0.35562
}

Semantic roles & 50–950 ramp

primary

#63A3F7

secondary

#F2DEC4

accent

#8200E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A3F7

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

Preview Lab → · Contrast checker → · Palette generator →