#63B2F0#63B2F0

#63B2F0 is a light, moderate cyan. Relative luminance 0.408; OKLCH L 73.8% C 0.119 H 244.1°. Best body text is #000000 at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#63B2F0
RGB	rgb(99, 178, 240)
HSL	hsl(206, 82%, 66%)
HSV	hsv(206, 59%, 94%)
CMYK	cmyk(58.8%, 25.8%, 0%, 5.9%)
CIE-LAB	lab(70.02, -6.40, -38.23)
CIE-LCH	lch(70.02, 38.76, 260.50°)
OKLab	oklab(73.83% -0.0521 -0.1074)
OKLCH	oklch(73.83% 0.119 244.1)
XYZ	xyz(36.7884, 40.7813, 88.3540)
Luminance	0.4078 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B2F0 #F0A163

analogous

#63F0E8 #63B2F0 #636CF0

triadic

#63B2F0 #F063B2 #B2F063

tetradic

#63B2F0 #E863F0 #F0A163 #6CF063

square

#63B2F0 #E863F0 #F0A163 #6CF063

split-complementary

#63B2F0 #F0636C #F0E863

monochromatic

#1377C6 #2B96EB #63B2F0 #9BCEF5 #D3E9FB

Accessibility & contrast

On white

2.29

#63B2F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.16

#63B2F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B2F0

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B2F0	#FFFFFF	#000000	##000000
##63B2F0	1.00	2.29	9.16	9.16
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.16	21.00	1.00	1.00
##000000	9.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97B3F3

Deuteranopia (green-blind)

#84A5EF

Tritanopia (blue-blind)

#00C1C7

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #63b2f0;
/* rgb */ color: rgb(99, 178, 240);
/* oklch */ color: oklch(73.8% 0.119 244.1);

Tailwind

colors: {
  custom: {
    50: '#9ac8f5',
    500: '#63b2f0',
    950: '#000000',
  },
}

SCSS

$custom: #63b2f0;
$custom-light: #9ac8f5;
$custom-dark: #000000;

JSON

{
  "hex": "#63b2f0",
  "rgb": {
    "r": 99,
    "g": 178,
    "b": 240
  },
  "hsl": {
    "h": 206.383,
    "s": 82.456,
    "l": 66.471
  },
  "oklch": {
    "l": 0.73835,
    "c": 0.11933,
    "h": 244.1
  },
  "luminance": 0.40785
}

Semantic roles & 50–950 ramp

primary

#63B2F0

secondary

#EED5C1

accent

#6607DF

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63B2F0

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

Preview Lab → · Contrast checker → · Palette generator →