#63A4F3#63A4F3

#63A4F3 is a light, vivid cyan. Relative luminance 0.357; OKLCH L 70.9% C 0.134 H 254.2°. Best body text is #000000 at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#63A4F3
RGB	rgb(99, 164, 243)
HSL	hsl(213, 86%, 67%)
HSV	hsv(213, 59%, 95%)
CMYK	cmyk(59.3%, 32.5%, 0%, 4.7%)
CIE-LAB	lab(66.27, 2.38, -45.74)
CIE-LCH	lch(66.27, 45.81, 272.98°)
OKLab	oklab(70.93% -0.0365 -0.1292)
OKLCH	oklch(70.93% 0.134 254.2)
XYZ	xyz(34.5929, 35.6715, 89.8389)
Luminance	0.3568 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A4F3 #F3B263

analogous

#63ECF3 #63A4F3 #6A63F3

triadic

#63A4F3 #F363A4 #A4F363

tetradic

#63A4F3 #F363EC #F3B263 #63F36A

square

#63A4F3 #F363EC #F3B263 #63F36A

split-complementary

#63A4F3 #F36A63 #ECF363

monochromatic

#1065CC #2A83EF #63A4F3 #9CC5F7 #D5E6FC

Accessibility & contrast

On white

2.58

#63A4F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.14

#63A4F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A4F3

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A4F3	#FFFFFF	#000000	##000000
##63A4F3	1.00	2.58	8.14	8.14
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.14	21.00	1.00	1.00
##000000	8.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83A9F6

Deuteranopia (green-blind)

#709BF1

Tritanopia (blue-blind)

#00B6C0

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #63a4f3;
/* rgb */ color: rgb(99, 164, 243);
/* oklch */ color: oklch(70.9% 0.134 254.2);

Tailwind

colors: {
  custom: {
    50: '#9abef7',
    500: '#63a4f3',
    950: '#000000',
  },
}

SCSS

$custom: #63a4f3;
$custom-light: #9abef7;
$custom-dark: #000000;

JSON

{
  "hex": "#63a4f3",
  "rgb": {
    "r": 99,
    "g": 164,
    "b": 243
  },
  "hsl": {
    "h": 212.917,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.70928,
    "c": 0.13429,
    "h": 254.2
  },
  "luminance": 0.35675
}

Semantic roles & 50–950 ramp

primary

#63A4F3

secondary

#F0DBC2

accent

#7E03E2

background

#FAFBFF

surface

#F3F6FF

border

#CDD0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A4F3

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

Preview Lab → · Contrast checker → · Palette generator →