#63A9FE#63A9FE

#63A9FE is a light, vivid cyan. Relative luminance 0.382; OKLCH L 72.6% C 0.143 H 254.3°. Best body text is #000000 at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#63A9FE
RGB	rgb(99, 169, 254)
HSL	hsl(213, 99%, 69%)
HSV	hsv(213, 61%, 100%)
CMYK	cmyk(61%, 33.5%, 0%, 0.4%)
CIE-LAB	lab(68.15, 3.06, -48.76)
CIE-LCH	lch(68.15, 48.86, 273.59°)
OKLab	oklab(72.57% -0.0388 -0.138)
OKLCH	oklch(72.57% 0.143 254.3)
XYZ	xyz(37.2165, 38.1809, 99.1551)
Luminance	0.3818 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A9FE #FEB863

analogous

#63F7FE #63A9FE #6B63FE

triadic

#63A9FE #FE63A9 #A9FE63

tetradic

#63A9FE #FE63F7 #FEB863 #63FE6B

square

#63A9FE #FE63F7 #FEB863 #63FE6B

split-complementary

#63A9FE #FE6B63 #F7FE63

monochromatic

#0168E5 #2687FE #63A9FE #A0CBFE #DDECFF

Accessibility & contrast

On white

2.43

#63A9FE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.64

#63A9FE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A9FE

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A9FE	#FFFFFF	#000000	##000000
##63A9FE	1.00	2.43	8.64	8.64
#FFFFFF	2.43	1.00	21.00	21.00
#000000	8.64	21.00	1.00	1.00
##000000	8.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85AEFF

Deuteranopia (green-blind)

#709FFC

Tritanopia (blue-blind)

#00BCC8

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #63a9fe;
/* rgb */ color: rgb(99, 169, 254);
/* oklch */ color: oklch(72.6% 0.143 254.3);

Tailwind

colors: {
  custom: {
    50: '#9cc2ff',
    500: '#63a9fe',
    950: '#000000',
  },
}

SCSS

$custom: #63a9fe;
$custom-light: #9cc2ff;
$custom-dark: #000000;

JSON

{
  "hex": "#63a9fe",
  "rgb": {
    "r": 99,
    "g": 169,
    "b": 254
  },
  "hsl": {
    "h": 212.903,
    "s": 98.726,
    "l": 69.216
  },
  "oklch": {
    "l": 0.72571,
    "c": 0.14335,
    "h": 254.3
  },
  "luminance": 0.38184
}

Semantic roles & 50–950 ramp

primary

#63A9FE

secondary

#F5E1C8

accent

#7E00E6

background

#FAFBFF

surface

#F4F7FF

border

#CED0D7

text

#0F1218

muted

#7F8186

Preview Lab

Preview with #63A9FE

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

Preview Lab → · Contrast checker → · Palette generator →