#63BFF3#63BFF3

#63BFF3 is a light, moderate cyan. Relative luminance 0.464; OKLCH L 76.9% C 0.115 H 235.7°. Best body text is #000000 at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#63BFF3
RGB	rgb(99, 191, 243)
HSL	hsl(202, 86%, 67%)
HSV	hsv(202, 59%, 95%)
CMYK	cmyk(59.3%, 21.4%, 0%, 4.7%)
CIE-LAB	lab(73.79, -12.50, -34.00)
CIE-LCH	lch(73.79, 36.23, 249.81°)
OKLab	oklab(76.86% -0.0648 -0.0951)
OKLCH	oklch(76.86% 0.115 235.7)
XYZ	xyz(39.9479, 46.3815, 91.6239)
Luminance	0.4638 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BFF3 #F39763

analogous

#63F3DF #63BFF3 #6377F3

triadic

#63BFF3 #F363BF #BFF363

tetradic

#63BFF3 #DF63F3 #F39763 #77F363

square

#63BFF3 #DF63F3 #F39763 #77F363

split-complementary

#63BFF3 #F36377 #F3DF63

monochromatic

#1088CC #2AA8EF #63BFF3 #9CD6F7 #D5EEFC

Accessibility & contrast

On white

2.04

#63BFF3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.28

#63BFF3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BFF3

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BFF3	#FFFFFF	#000000	##000000
##63BFF3	1.00	2.04	10.28	10.28
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.28	21.00	1.00	1.00
##000000	10.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6BEF5

Deuteranopia (green-blind)

#93AFF2

Tritanopia (blue-blind)

#00CDD0

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #63bff3;
/* rgb */ color: rgb(99, 191, 243);
/* oklch */ color: oklch(76.9% 0.115 235.7);

Tailwind

colors: {
  custom: {
    50: '#9bd2f7',
    500: '#63bff3',
    950: '#000000',
  },
}

SCSS

$custom: #63bff3;
$custom-light: #9bd2f7;
$custom-dark: #000000;

JSON

{
  "hex": "#63bff3",
  "rgb": {
    "r": 99,
    "g": 191,
    "b": 243
  },
  "hsl": {
    "h": 201.667,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.76861,
    "c": 0.11513,
    "h": 235.7
  },
  "luminance": 0.46385
}

Semantic roles & 50–950 ramp

primary

#63BFF3

secondary

#F0D3C2

accent

#5403E2

background

#FAFCFF

surface

#F4F9FE

border

#CED2D6

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #63BFF3

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

Preview Lab → · Contrast checker → · Palette generator →