#63B6F1#63B6F1

#63B6F1 is a light, moderate cyan. Relative luminance 0.425; OKLCH L 74.8% C 0.118 H 241.6°. Best body text is #000000 at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#63B6F1
RGB	rgb(99, 182, 241)
HSL	hsl(205, 84%, 67%)
HSV	hsv(205, 59%, 95%)
CMYK	cmyk(58.9%, 24.5%, 0%, 5.5%)
CIE-LAB	lab(71.18, -8.28, -36.97)
CIE-LCH	lch(71.18, 37.88, 257.38°)
OKLab	oklab(74.77% -0.056 -0.1037)
OKLCH	oklch(74.77% 0.118 241.6)
XYZ	xyz(37.7448, 42.4559, 89.4077)
Luminance	0.4246 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B6F1 #F19E63

analogous

#63F1E5 #63B6F1 #636FF1

triadic

#63B6F1 #F163B6 #B6F163

tetradic

#63B6F1 #E563F1 #F19E63 #6FF163

square

#63B6F1 #E563F1 #F19E63 #6FF163

split-complementary

#63B6F1 #F1636F #F1E563

monochromatic

#127CC8 #2B9CEC #63B6F1 #9BD0F6 #D3EBFB

Accessibility & contrast

On white

2.21

#63B6F1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.49

#63B6F1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B6F1

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B6F1	#FFFFFF	#000000	##000000
##63B6F1	1.00	2.21	9.49	9.49
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.49	21.00	1.00	1.00
##000000	9.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CB6F4

Deuteranopia (green-blind)

#88A8F0

Tritanopia (blue-blind)

#00C5CA

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #63b6f1;
/* rgb */ color: rgb(99, 182, 241);
/* oklch */ color: oklch(74.8% 0.118 241.6);

Tailwind

colors: {
  custom: {
    50: '#9acbf6',
    500: '#63b6f1',
    950: '#000000',
  },
}

SCSS

$custom: #63b6f1;
$custom-light: #9acbf6;
$custom-dark: #000000;

JSON

{
  "hex": "#63b6f1",
  "rgb": {
    "r": 99,
    "g": 182,
    "b": 241
  },
  "hsl": {
    "h": 204.93,
    "s": 83.529,
    "l": 66.667
  },
  "oklch": {
    "l": 0.74767,
    "c": 0.11785,
    "h": 241.6
  },
  "luminance": 0.42459
}

Semantic roles & 50–950 ramp

primary

#63B6F1

secondary

#EFD4C1

accent

#6006E0

background

#FAFCFF

surface

#F3F8FE

border

#CDD1D6

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63B6F1

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

Preview Lab → · Contrast checker → · Palette generator →