#63A5F9#63A5F9

#63A5F9 is a light, vivid cyan. Relative luminance 0.364; OKLCH L 71.5% C 0.141 H 255.2°. Best body text is #000000 at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#63A5F9
RGB	rgb(99, 165, 249)
HSL	hsl(214, 93%, 68%)
HSV	hsv(214, 60%, 98%)
CMYK	cmyk(60.2%, 33.7%, 0%, 2.4%)
CIE-LAB	lab(66.82, 3.73, -48.14)
CIE-LCH	lch(66.82, 48.29, 274.44°)
OKLab	oklab(71.45% -0.0359 -0.1362)
OKLCH	oklch(71.45% 0.141 255.2)
XYZ	xyz(35.6935, 36.3992, 94.7489)
Luminance	0.3640 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A5F9 #F9B763

analogous

#63F0F9 #63A5F9 #6C63F9

triadic

#63A5F9 #F963A5 #A5F963

tetradic

#63A5F9 #F963F0 #F9B763 #63F96C

square

#63A5F9 #F963F0 #F9B763 #63F96C

split-complementary

#63A5F9 #F96C63 #F0F963

monochromatic

#0864D9 #2883F7 #63A5F9 #9EC7FB #D9E9FE

Accessibility & contrast

On white

2.54

#63A5F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.28

#63A5F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A5F9

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A5F9	#FFFFFF	#000000	##000000
##63A5F9	1.00	2.54	8.28	8.28
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.28	21.00	1.00	1.00
##000000	8.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81AAFD

Deuteranopia (green-blind)

#6D9CF7

Tritanopia (blue-blind)

#00B8C3

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #63a5f9;
/* rgb */ color: rgb(99, 165, 249);
/* oklch */ color: oklch(71.5% 0.141 255.2);

Tailwind

colors: {
  custom: {
    50: '#9bbffb',
    500: '#63a5f9',
    950: '#000000',
  },
}

SCSS

$custom: #63a5f9;
$custom-light: #9bbffb;
$custom-dark: #000000;

JSON

{
  "hex": "#63a5f9",
  "rgb": {
    "r": 99,
    "g": 165,
    "b": 249
  },
  "hsl": {
    "h": 213.6,
    "s": 92.593,
    "l": 68.235
  },
  "oklch": {
    "l": 0.71454,
    "c": 0.14089,
    "h": 255.2
  },
  "luminance": 0.36402
}

Semantic roles & 50–950 ramp

primary

#63A5F9

secondary

#F3DFC5

accent

#8100E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A5F9

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

Preview Lab → · Contrast checker → · Palette generator →