#63A9FA#63A9FA

#63A9FA is a light, vivid cyan. Relative luminance 0.379; OKLCH L 72.4% C 0.138 H 253.3°. Best body text is #000000 at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#63A9FA
RGB	rgb(99, 169, 250)
HSL	hsl(212, 94%, 68%)
HSV	hsv(212, 60%, 98%)
CMYK	cmyk(60.4%, 32.4%, 0%, 2%)
CIE-LAB	lab(67.97, 1.78, -46.89)
CIE-LCH	lch(67.97, 46.92, 272.17°)
OKLab	oklab(72.36% -0.0398 -0.1325)
OKLCH	oklch(72.36% 0.138 253.3)
XYZ	xyz(36.5827, 37.9273, 95.8168)
Luminance	0.3793 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A9FA #FAB463

analogous

#63F5FA #63A9FA #6863FA

triadic

#63A9FA #FA63A9 #A9FA63

tetradic

#63A9FA #FA63F5 #FAB463 #63FA68

square

#63A9FA #FA63F5 #FAB463 #63FA68

split-complementary

#63A9FA #FA6863 #F5FA63

monochromatic

#076ADC #2888F8 #63A9FA #9ECAFC #DAEAFE

Accessibility & contrast

On white

2.45

#63A9FA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.59

#63A9FA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A9FA

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A9FA	#FFFFFF	#000000	##000000
##63A9FA	1.00	2.45	8.59	8.59
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.59	21.00	1.00	1.00
##000000	8.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#87AEFD

Deuteranopia (green-blind)

#729FF8

Tritanopia (blue-blind)

#00BCC6

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #63a9fa;
/* rgb */ color: rgb(99, 169, 250);
/* oklch */ color: oklch(72.4% 0.138 253.3);

Tailwind

colors: {
  custom: {
    50: '#9bc2fc',
    500: '#63a9fa',
    950: '#000000',
  },
}

SCSS

$custom: #63a9fa;
$custom-light: #9bc2fc;
$custom-dark: #000000;

JSON

{
  "hex": "#63a9fa",
  "rgb": {
    "r": 99,
    "g": 169,
    "b": 250
  },
  "hsl": {
    "h": 212.185,
    "s": 93.789,
    "l": 68.431
  },
  "oklch": {
    "l": 0.72364,
    "c": 0.13838,
    "h": 253.3
  },
  "luminance": 0.37931
}

Semantic roles & 50–950 ramp

primary

#63A9FA

secondary

#F3DEC6

accent

#7B00E6

background

#FAFBFF

surface

#F4F7FF

border

#CED0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A9FA

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

Preview Lab → · Contrast checker → · Palette generator →