#63A3F1#63A3F1

#63A3F1 is a light, vivid cyan. Relative luminance 0.352; OKLCH L 70.6% C 0.133 H 254.3°. Best body text is #000000 at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#63A3F1
RGB	rgb(99, 163, 241)
HSL	hsl(213, 84%, 67%)
HSV	hsv(213, 59%, 95%)
CMYK	cmyk(58.9%, 32.4%, 0%, 5.5%)
CIE-LAB	lab(65.90, 2.32, -45.23)
CIE-LCH	lch(65.90, 45.29, 272.93°)
OKLab	oklab(70.61% -0.0359 -0.1278)
OKLCH	oklch(70.61% 0.133 254.3)
XYZ	xyz(34.1143, 35.1949, 88.1975)
Luminance	0.3520 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A3F1 #F1B163

analogous

#63EAF1 #63A3F1 #6A63F1

triadic

#63A3F1 #F163A3 #A3F163

tetradic

#63A3F1 #F163EA #F1B163 #63F16A

square

#63A3F1 #F163EA #F1B163 #63F16A

split-complementary

#63A3F1 #F16A63 #EAF163

monochromatic

#1264C8 #2B82EC #63A3F1 #9BC4F6 #D3E5FB

Accessibility & contrast

On white

2.61

#63A3F1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.04

#63A3F1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A3F1

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A3F1	#FFFFFF	#000000	##000000
##63A3F1	1.00	2.61	8.04	8.04
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.04	21.00	1.00	1.00
##000000	8.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82A8F4

Deuteranopia (green-blind)

#709AEF

Tritanopia (blue-blind)

#00B5BF

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #63a3f1;
/* rgb */ color: rgb(99, 163, 241);
/* oklch */ color: oklch(70.6% 0.133 254.3);

Tailwind

colors: {
  custom: {
    50: '#9abdf6',
    500: '#63a3f1',
    950: '#000000',
  },
}

SCSS

$custom: #63a3f1;
$custom-light: #9abdf6;
$custom-dark: #000000;

JSON

{
  "hex": "#63a3f1",
  "rgb": {
    "r": 99,
    "g": 163,
    "b": 241
  },
  "hsl": {
    "h": 212.958,
    "s": 83.529,
    "l": 66.667
  },
  "oklch": {
    "l": 0.70609,
    "c": 0.13272,
    "h": 254.3
  },
  "luminance": 0.35198
}

Semantic roles & 50–950 ramp

primary

#63A3F1

secondary

#EFDAC1

accent

#7E06E0

background

#FAFBFF

surface

#F3F6FE

border

#CDD0D6

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A3F1

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

Preview Lab → · Contrast checker → · Palette generator →