#303ACF#303ACF

#303ACF is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.3% C 0.223 H 270.6°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#303ACF
RGB	rgb(48, 58, 207)
HSL	hsl(236, 62%, 50%)
HSV	hsv(236, 77%, 81%)
CMYK	cmyk(76.8%, 72%, 0%, 18.8%)
CIE-LAB	lab(34.31, 47.15, -77.10)
CIE-LCH	lch(34.31, 90.37, 301.45°)
OKLab	oklab(45.33% 0.0024 -0.2232)
OKLCH	oklch(45.33% 0.223 270.6)
XYZ	xyz(13.9906, 8.1579, 59.8567)
Luminance	0.0816 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303ACF #CFC530

analogous

#308ACF #303ACF #7530CF

triadic

#303ACF #CF303A #3ACF30

tetradic

#303ACF #CF308A #CFC530 #30CF75

square

#303ACF #CF308A #CFC530 #30CF75

split-complementary

#303ACF #CF7530 #8ACF30

monochromatic

#191E6C #242C9D #303ACF #6269DB #9399E6

Accessibility & contrast

On white

7.98

#303ACF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#303ACF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303ACF

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303ACF	#FFFFFF	#000000	##FFFFFF
##303ACF	1.00	7.98	2.63	7.98
#FFFFFF	7.98	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058D3

Deuteranopia (green-blind)

#0049CC

Tritanopia (blue-blind)

#006581

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #303acf;
/* rgb */ color: rgb(48, 58, 207);
/* oklch */ color: oklch(45.3% 0.223 270.6);

Tailwind

colors: {
  custom: {
    50: '#8271df',
    500: '#303acf',
    950: '#000000',
  },
}

SCSS

$custom: #303acf;
$custom-light: #8271df;
$custom-dark: #000000;

JSON

{
  "hex": "#303acf",
  "rgb": {
    "r": 48,
    "g": 58,
    "b": 207
  },
  "hsl": {
    "h": 236.226,
    "s": 62.353,
    "l": 50
  },
  "oklch": {
    "l": 0.45334,
    "c": 0.22326,
    "h": 270.6
  },
  "luminance": 0.08159
}

Semantic roles & 50–950 ramp

primary

#303ACF

secondary

#D1CD8A

accent

#DB42E5

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0D0815

muted

#7D7B83

Preview Lab

Preview with #303ACF

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

Preview Lab → · Contrast checker → · Palette generator →