#63B0F5#63B0F5

#63B0F5 is a light, vivid cyan. Relative luminance 0.403; OKLCH L 73.6% C 0.126 H 247.5°. Best body text is #000000 at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#63B0F5
RGB	rgb(99, 176, 245)
HSL	hsl(208, 88%, 67%)
HSV	hsv(208, 60%, 96%)
CMYK	cmyk(59.6%, 28.2%, 0%, 3.9%)
CIE-LAB	lab(69.68, -3.74, -41.49)
CIE-LCH	lch(69.68, 41.65, 264.85°)
OKLab	oklab(73.63% -0.0485 -0.1168)
OKLCH	oklch(73.63% 0.126 247.5)
XYZ	xyz(37.1463, 40.2924, 92.1881)
Luminance	0.4030 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B0F5 #F5A863

analogous

#63F5F1 #63B0F5 #6367F5

triadic

#63B0F5 #F563B0 #B0F563

tetradic

#63B0F5 #F163F5 #F5A863 #67F563

square

#63B0F5 #F163F5 #F5A863 #67F563

split-complementary

#63B0F5 #F56367 #F5F163

monochromatic

#0D74D0 #2993F1 #63B0F5 #9DCDF9 #D6EAFC

Accessibility & contrast

On white

2.32

#63B0F5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.06

#63B0F5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B0F5

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B0F5	#FFFFFF	#000000	##000000
##63B0F5	1.00	2.32	9.06	9.06
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.06	21.00	1.00	1.00
##000000	9.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92B2F8

Deuteranopia (green-blind)

#7FA4F4

Tritanopia (blue-blind)

#00C0C8

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #63b0f5;
/* rgb */ color: rgb(99, 176, 245);
/* oklch */ color: oklch(73.6% 0.126 247.5);

Tailwind

colors: {
  custom: {
    50: '#9bc7f8',
    500: '#63b0f5',
    950: '#000000',
  },
}

SCSS

$custom: #63b0f5;
$custom-light: #9bc7f8;
$custom-dark: #000000;

JSON

{
  "hex": "#63b0f5",
  "rgb": {
    "r": 99,
    "g": 176,
    "b": 245
  },
  "hsl": {
    "h": 208.356,
    "s": 87.952,
    "l": 67.451
  },
  "oklch": {
    "l": 0.73633,
    "c": 0.12645,
    "h": 247.5
  },
  "luminance": 0.40296
}

Semantic roles & 50–950 ramp

primary

#63B0F5

secondary

#F1D9C3

accent

#6D01E5

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63B0F5

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

Preview Lab → · Contrast checker → · Palette generator →