#63A5F7#63A5F7

#63A5F7 is a light, vivid cyan. Relative luminance 0.363; OKLCH L 71.4% C 0.138 H 254.7°. Best body text is #000000 at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#63A5F7
RGB	rgb(99, 165, 247)
HSL	hsl(213, 90%, 68%)
HSV	hsv(213, 60%, 97%)
CMYK	cmyk(59.9%, 33.2%, 0%, 3.1%)
CIE-LAB	lab(66.73, 3.09, -47.20)
CIE-LCH	lch(66.73, 47.30, 273.75°)
OKLab	oklab(71.35% -0.0365 -0.1335)
OKLCH	oklch(71.35% 0.138 254.7)
XYZ	xyz(35.3832, 36.2751, 93.1148)
Luminance	0.3628 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A5F7 #F7B563

analogous

#63EFF7 #63A5F7 #6B63F7

triadic

#63A5F7 #F763A5 #A5F763

tetradic

#63A5F7 #F763EF #F7B563 #63F76B

square

#63A5F7 #F763EF #F7B563 #63F76B

split-complementary

#63A5F7 #F76B63 #EFF763

monochromatic

#0B65D5 #2983F4 #63A5F7 #9DC7FA #D7E8FD

Accessibility & contrast

On white

2.54

#63A5F7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.26

#63A5F7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A5F7

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A5F7	#FFFFFF	#000000	##000000
##63A5F7	1.00	2.54	8.26	8.26
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.26	21.00	1.00	1.00
##000000	8.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82AAFA

Deuteranopia (green-blind)

#6F9CF5

Tritanopia (blue-blind)

#00B8C3

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #63a5f7;
/* rgb */ color: rgb(99, 165, 247);
/* oklch */ color: oklch(71.4% 0.138 254.7);

Tailwind

colors: {
  custom: {
    50: '#9bbffa',
    500: '#63a5f7',
    950: '#000000',
  },
}

SCSS

$custom: #63a5f7;
$custom-light: #9bbffa;
$custom-dark: #000000;

JSON

{
  "hex": "#63a5f7",
  "rgb": {
    "r": 99,
    "g": 165,
    "b": 247
  },
  "hsl": {
    "h": 213.243,
    "s": 90.244,
    "l": 67.843
  },
  "oklch": {
    "l": 0.7135,
    "c": 0.13838,
    "h": 254.7
  },
  "luminance": 0.36278
}

Semantic roles & 50–950 ramp

primary

#63A5F7

secondary

#F2DDC4

accent

#7F00E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A5F7

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

Preview Lab → · Contrast checker → · Palette generator →