#63B0F1#63B0F1

#63B0F1 is a light, vivid cyan. Relative luminance 0.401; OKLCH L 73.4% C 0.122 H 246.0°. Best body text is #000000 at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#63B0F1
RGB	rgb(99, 176, 241)
HSL	hsl(207, 84%, 67%)
HSV	hsv(207, 59%, 95%)
CMYK	cmyk(58.9%, 27%, 0%, 5.5%)
CIE-LAB	lab(69.51, -4.99, -39.58)
CIE-LCH	lch(69.51, 39.89, 262.82°)
OKLab	oklab(73.44% -0.0497 -0.1113)
OKLCH	oklch(73.44% 0.122 246)
XYZ	xyz(36.5423, 40.0508, 89.0069)
Luminance	0.4005 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B0F1 #F1A463

analogous

#63F1EB #63B0F1 #6369F1

triadic

#63B0F1 #F163B0 #B0F163

tetradic

#63B0F1 #EB63F1 #F1A463 #69F163

square

#63B0F1 #EB63F1 #F1A463 #69F163

split-complementary

#63B0F1 #F16369 #F1EB63

monochromatic

#1274C8 #2B94EC #63B0F1 #9BCCF6 #D3E9FB

Accessibility & contrast

On white

2.33

#63B0F1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.01

#63B0F1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B0F1

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B0F1	#FFFFFF	#000000	##000000
##63B0F1	1.00	2.33	9.01	9.01
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.01	21.00	1.00	1.00
##000000	9.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94B2F4

Deuteranopia (green-blind)

#81A3F0

Tritanopia (blue-blind)

#00C0C7

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #63b0f1;
/* rgb */ color: rgb(99, 176, 241);
/* oklch */ color: oklch(73.4% 0.122 246.0);

Tailwind

colors: {
  custom: {
    50: '#9ac7f6',
    500: '#63b0f1',
    950: '#000000',
  },
}

SCSS

$custom: #63b0f1;
$custom-light: #9ac7f6;
$custom-dark: #000000;

JSON

{
  "hex": "#63b0f1",
  "rgb": {
    "r": 99,
    "g": 176,
    "b": 241
  },
  "hsl": {
    "h": 207.465,
    "s": 83.529,
    "l": 66.667
  },
  "oklch": {
    "l": 0.73442,
    "c": 0.12186,
    "h": 246
  },
  "luminance": 0.40054
}

Semantic roles & 50–950 ramp

primary

#63B0F1

secondary

#EFD6C1

accent

#6A06E0

background

#FAFCFF

surface

#F3F8FE

border

#CDD1D6

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63B0F1

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

Preview Lab → · Contrast checker → · Palette generator →