#63B4F2#63B4F2

#63B4F2 is a light, vivid cyan. Relative luminance 0.417; OKLCH L 74.4% C 0.120 H 243.5°. Best body text is #000000 at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#63B4F2
RGB	rgb(99, 180, 242)
HSL	hsl(206, 85%, 67%)
HSV	hsv(206, 59%, 95%)
CMYK	cmyk(59.1%, 25.6%, 0%, 5.1%)
CIE-LAB	lab(70.67, -6.88, -38.32)
CIE-LCH	lch(70.67, 38.93, 259.82°)
OKLab	oklab(74.37% -0.0536 -0.1076)
OKLCH	oklch(74.37% 0.12 243.5)
XYZ	xyz(37.4879, 41.7025, 90.0610)
Luminance	0.4171 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B4F2 #F2A163

analogous

#63F2E8 #63B4F2 #636DF2

triadic

#63B4F2 #F263B4 #B4F263

tetradic

#63B4F2 #E863F2 #F2A163 #6DF263

square

#63B4F2 #E863F2 #F2A163 #6DF263

split-complementary

#63B4F2 #F2636D #F2E863

monochromatic

#117ACA #2B99ED #63B4F2 #9BCFF7 #D4EAFB

Accessibility & contrast

On white

2.25

#63B4F2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.34

#63B4F2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B4F2

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B4F2	#FFFFFF	#000000	##000000
##63B4F2	1.00	2.25	9.34	9.34
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.34	21.00	1.00	1.00
##000000	9.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99B5F5

Deuteranopia (green-blind)

#85A7F1

Tritanopia (blue-blind)

#00C3C9

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #63b4f2;
/* rgb */ color: rgb(99, 180, 242);
/* oklch */ color: oklch(74.4% 0.120 243.5);

Tailwind

colors: {
  custom: {
    50: '#9acaf6',
    500: '#63b4f2',
    950: '#000000',
  },
}

SCSS

$custom: #63b4f2;
$custom-light: #9acaf6;
$custom-dark: #000000;

JSON

{
  "hex": "#63b4f2",
  "rgb": {
    "r": 99,
    "g": 180,
    "b": 242
  },
  "hsl": {
    "h": 206.014,
    "s": 84.615,
    "l": 66.863
  },
  "oklch": {
    "l": 0.74371,
    "c": 0.1202,
    "h": 243.5
  },
  "luminance": 0.41706
}

Semantic roles & 50–950 ramp

primary

#63B4F2

secondary

#EFD5C2

accent

#6404E1

background

#FAFCFF

surface

#F3F8FE

border

#CDD1D6

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63B4F2

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

Preview Lab → · Contrast checker → · Palette generator →