#63A1F3#63A1F3

#63A1F3 is a light, vivid cyan. Relative luminance 0.346; OKLCH L 70.3% C 0.137 H 255.9°. Best body text is #000000 at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#63A1F3
RGB	rgb(99, 161, 243)
HSL	hsl(214, 86%, 67%)
HSV	hsv(214, 59%, 95%)
CMYK	cmyk(59.3%, 33.7%, 0%, 4.7%)
CIE-LAB	lab(65.44, 4.10, -47.04)
CIE-LCH	lch(65.44, 47.22, 274.98°)
OKLab	oklab(70.28% -0.0333 -0.1331)
OKLCH	oklch(70.28% 0.137 255.9)
XYZ	xyz(34.0624, 34.6104, 89.6621)
Luminance	0.3461 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A1F3 #F3B563

analogous

#63E9F3 #63A1F3 #6D63F3

triadic

#63A1F3 #F363A1 #A1F363

tetradic

#63A1F3 #F363E9 #F3B563 #63F36D

square

#63A1F3 #F363E9 #F3B563 #63F36D

split-complementary

#63A1F3 #F36D63 #E9F363

monochromatic

#1061CC #2A7FEF #63A1F3 #9CC3F7 #D5E5FC

Accessibility & contrast

On white

2.65

#63A1F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.92

#63A1F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A1F3

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A1F3	#FFFFFF	#000000	##000000
##63A1F3	1.00	2.65	7.92	7.92
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.92	21.00	1.00	1.00
##000000	7.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7FA6F6

Deuteranopia (green-blind)

#6B99F1

Tritanopia (blue-blind)

#00B4BF

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #63a1f3;
/* rgb */ color: rgb(99, 161, 243);
/* oklch */ color: oklch(70.3% 0.137 255.9);

Tailwind

colors: {
  custom: {
    50: '#9abcf7',
    500: '#63a1f3',
    950: '#000000',
  },
}

SCSS

$custom: #63a1f3;
$custom-light: #9abcf7;
$custom-dark: #000000;

JSON

{
  "hex": "#63a1f3",
  "rgb": {
    "r": 99,
    "g": 161,
    "b": 243
  },
  "hsl": {
    "h": 214.167,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.70284,
    "c": 0.13717,
    "h": 255.9
  },
  "luminance": 0.34613
}

Semantic roles & 50–950 ramp

primary

#63A1F3

secondary

#F0DCC2

accent

#8203E2

background

#FAFBFF

surface

#F3F6FF

border

#CDD0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A1F3

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

Preview Lab → · Contrast checker → · Palette generator →