#63B6F3#63B6F3

#63B6F3 is a light, moderate cyan. Relative luminance 0.426; OKLCH L 74.9% C 0.120 H 242.5°. Best body text is #000000 at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#63B6F3
RGB	rgb(99, 182, 243)
HSL	hsl(205, 86%, 67%)
HSV	hsv(205, 59%, 95%)
CMYK	cmyk(59.3%, 25.1%, 0%, 4.7%)
CIE-LAB	lab(71.27, -7.66, -37.92)
CIE-LCH	lch(71.27, 38.69, 258.58°)
OKLab	oklab(74.86% -0.0554 -0.1065)
OKLCH	oklch(74.86% 0.12 242.5)
XYZ	xyz(38.0452, 42.5760, 90.9897)
Luminance	0.4258 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B6F3 #F3A063

analogous

#63F3E8 #63B6F3 #636EF3

triadic

#63B6F3 #F363B6 #B6F363

tetradic

#63B6F3 #E863F3 #F3A063 #6EF363

square

#63B6F3 #E863F3 #F3A063 #6EF363

split-complementary

#63B6F3 #F3636E #F3E863

monochromatic

#107CCC #2A9BEF #63B6F3 #9CD1F7 #D5EBFC

Accessibility & contrast

On white

2.21

#63B6F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.52

#63B6F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B6F3

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B6F3	#FFFFFF	#000000	##000000
##63B6F3	1.00	2.21	9.52	9.52
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.52	21.00	1.00	1.00
##000000	9.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BB7F6

Deuteranopia (green-blind)

#87A8F2

Tritanopia (blue-blind)

#00C5CB

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #63b6f3;
/* rgb */ color: rgb(99, 182, 243);
/* oklch */ color: oklch(74.9% 0.120 242.5);

Tailwind

colors: {
  custom: {
    50: '#9acbf7',
    500: '#63b6f3',
    950: '#000000',
  },
}

SCSS

$custom: #63b6f3;
$custom-light: #9acbf7;
$custom-dark: #000000;

JSON

{
  "hex": "#63b6f3",
  "rgb": {
    "r": 99,
    "g": 182,
    "b": 243
  },
  "hsl": {
    "h": 205.417,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.74859,
    "c": 0.11999,
    "h": 242.5
  },
  "luminance": 0.4258
}

Semantic roles & 50–950 ramp

primary

#63B6F3

secondary

#F0D5C2

accent

#6203E2

background

#FAFCFF

surface

#F4F8FE

border

#CED1D6

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63B6F3

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

Preview Lab → · Contrast checker → · Palette generator →