#63A4F1#63A4F1

#63A4F1 is a light, vivid cyan. Relative luminance 0.356; OKLCH L 70.8% C 0.132 H 253.7°. Best body text is #000000 at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#63A4F1
RGB	rgb(99, 164, 241)
HSL	hsl(213, 84%, 67%)
HSV	hsv(213, 59%, 95%)
CMYK	cmyk(58.9%, 32%, 0%, 5.5%)
CIE-LAB	lab(66.18, 1.75, -44.80)
CIE-LCH	lch(66.18, 44.83, 272.23°)
OKLab	oklab(70.83% -0.037 -0.1265)
OKLCH	oklch(70.83% 0.132 253.7)
XYZ	xyz(34.2926, 35.5514, 88.2570)
Luminance	0.3555 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A4F1 #F1B063

analogous

#63EBF1 #63A4F1 #6963F1

triadic

#63A4F1 #F163A4 #A4F163

tetradic

#63A4F1 #F163EB #F1B063 #63F169

square

#63A4F1 #F163EB #F1B063 #63F169

split-complementary

#63A4F1 #F16963 #EBF163

monochromatic

#1265C8 #2B83EC #63A4F1 #9BC5F6 #D3E6FB

Accessibility & contrast

On white

2.59

#63A4F1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.11

#63A4F1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A4F1

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A4F1	#FFFFFF	#000000	##000000
##63A4F1	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)

#84A8F4

Deuteranopia (green-blind)

#719BEF

Tritanopia (blue-blind)

#00B6C0

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #63a4f1;
/* rgb */ color: rgb(99, 164, 241);
/* oklch */ color: oklch(70.8% 0.132 253.7);

Tailwind

colors: {
  custom: {
    50: '#9abef6',
    500: '#63a4f1',
    950: '#000000',
  },
}

SCSS

$custom: #63a4f1;
$custom-light: #9abef6;
$custom-dark: #000000;

JSON

{
  "hex": "#63a4f1",
  "rgb": {
    "r": 99,
    "g": 164,
    "b": 241
  },
  "hsl": {
    "h": 212.535,
    "s": 83.529,
    "l": 66.667
  },
  "oklch": {
    "l": 0.70825,
    "c": 0.13179,
    "h": 253.7
  },
  "luminance": 0.35554
}

Semantic roles & 50–950 ramp

primary

#63A4F1

secondary

#EFDAC1

accent

#7C06E0

background

#FAFBFF

surface

#F3F6FE

border

#CDD0D6

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A4F1

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

Preview Lab → · Contrast checker → · Palette generator →