#63B1F6#63B1F6

#63B1F6 is a light, vivid cyan. Relative luminance 0.408; OKLCH L 73.9% C 0.127 H 247.2°. Best body text is #000000 at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#63B1F6
RGB	rgb(99, 177, 246)
HSL	hsl(208, 89%, 68%)
HSV	hsv(208, 60%, 96%)
CMYK	cmyk(59.8%, 28%, 0%, 3.5%)
CIE-LAB	lab(70.00, -3.98, -41.53)
CIE-LCH	lch(70.00, 41.72, 264.53°)
OKLab	oklab(73.9% -0.0492 -0.1169)
OKLCH	oklch(73.9% 0.127 247.2)
XYZ	xyz(37.4962, 40.7473, 93.0599)
Luminance	0.4075 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B1F6 #F6A863

analogous

#63F6F1 #63B1F6 #6368F6

triadic

#63B1F6 #F663B1 #B1F663

tetradic

#63B1F6 #F163F6 #F6A863 #68F663

square

#63B1F6 #F163F6 #F6A863 #68F663

split-complementary

#63B1F6 #F66368 #F6F163

monochromatic

#0C75D2 #2994F3 #63B1F6 #9DCEF9 #D7EBFD

Accessibility & contrast

On white

2.30

#63B1F6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.15

#63B1F6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B1F6

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B1F6	#FFFFFF	#000000	##000000
##63B1F6	1.00	2.30	9.15	9.15
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.15	21.00	1.00	1.00
##000000	9.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93B3F9

Deuteranopia (green-blind)

#80A5F5

Tritanopia (blue-blind)

#00C1C9

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #63b1f6;
/* rgb */ color: rgb(99, 177, 246);
/* oklch */ color: oklch(73.9% 0.127 247.2);

Tailwind

colors: {
  custom: {
    50: '#9bc8f9',
    500: '#63b1f6',
    950: '#000000',
  },
}

SCSS

$custom: #63b1f6;
$custom-light: #9bc8f9;
$custom-dark: #000000;

JSON

{
  "hex": "#63b1f6",
  "rgb": {
    "r": 99,
    "g": 177,
    "b": 246
  },
  "hsl": {
    "h": 208.163,
    "s": 89.091,
    "l": 67.647
  },
  "oklch": {
    "l": 0.739,
    "c": 0.12684,
    "h": 247.2
  },
  "luminance": 0.40751
}

Semantic roles & 50–950 ramp

primary

#63B1F6

secondary

#F1D9C4

accent

#6C00E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63B1F6

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

Preview Lab → · Contrast checker → · Palette generator →