#63A4F9#63A4F9

#63A4F9 is a light, vivid cyan. Relative luminance 0.360; OKLCH L 71.2% C 0.142 H 255.8°. Best body text is #000000 at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#63A4F9
RGB	rgb(99, 164, 249)
HSL	hsl(214, 93%, 68%)
HSV	hsv(214, 60%, 98%)
CMYK	cmyk(60.2%, 34.1%, 0%, 2.4%)
CIE-LAB	lab(66.55, 4.31, -48.57)
CIE-LCH	lch(66.55, 48.76, 275.07°)
OKLab	oklab(71.24% -0.0349 -0.1375)
OKLCH	oklch(71.24% 0.142 255.8)
XYZ	xyz(35.5138, 36.0399, 94.6890)
Luminance	0.3604 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A4F9 #F9B863

analogous

#63EFF9 #63A4F9 #6D63F9

triadic

#63A4F9 #F963A4 #A4F963

tetradic

#63A4F9 #F963EF #F9B863 #63F96D

square

#63A4F9 #F963EF #F9B863 #63F96D

split-complementary

#63A4F9 #F96D63 #EFF963

monochromatic

#0863D9 #2882F7 #63A4F9 #9EC6FB #D9E9FE

Accessibility & contrast

On white

2.56

#63A4F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.21

#63A4F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A4F9

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A4F9	#FFFFFF	#000000	##000000
##63A4F9	1.00	2.56	8.21	8.21
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.21	21.00	1.00	1.00
##000000	8.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#80AAFD

Deuteranopia (green-blind)

#6C9BF7

Tritanopia (blue-blind)

#00B7C3

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #63a4f9;
/* rgb */ color: rgb(99, 164, 249);
/* oklch */ color: oklch(71.2% 0.142 255.8);

Tailwind

colors: {
  custom: {
    50: '#9bbefb',
    500: '#63a4f9',
    950: '#000000',
  },
}

SCSS

$custom: #63a4f9;
$custom-light: #9bbefb;
$custom-dark: #000000;

JSON

{
  "hex": "#63a4f9",
  "rgb": {
    "r": 99,
    "g": 164,
    "b": 249
  },
  "hsl": {
    "h": 214,
    "s": 92.593,
    "l": 68.235
  },
  "oklch": {
    "l": 0.71241,
    "c": 0.14186,
    "h": 255.8
  },
  "luminance": 0.36043
}

Semantic roles & 50–950 ramp

primary

#63A4F9

secondary

#F3DFC5

accent

#8200E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A4F9

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

Preview Lab → · Contrast checker → · Palette generator →