#303AC1#303AC1

#303AC1 is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 43.9% C 0.206 H 271.2°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#303AC1
RGB	rgb(48, 58, 193)
HSL	hsl(236, 60%, 47%)
HSV	hsv(236, 75%, 76%)
CMYK	cmyk(75.1%, 69.9%, 0%, 24.3%)
CIE-LAB	lab(32.93, 42.39, -71.21)
CIE-LCH	lch(32.93, 82.87, 300.76°)
OKLab	oklab(43.93% 0.0042 -0.2061)
OKLCH	oklch(43.93% 0.206 271.2)
XYZ	xyz(12.3544, 7.5034, 51.2389)
Luminance	0.0751 (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

#303AC1 #C1B730

analogous

#3083C1 #303AC1 #6F30C1

triadic

#303AC1 #C1303A #3AC130

tetradic

#303AC1 #C13083 #C1B730 #30C16F

square

#303AC1 #C13083 #C1B730 #30C16F

split-complementary

#303AC1 #C16F30 #83C130

monochromatic

#181D5F #242B90 #303AC1 #5961D6 #8A90E2

Accessibility & contrast

On white

8.40

#303AC1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#303AC1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303AC1

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303AC1	#FFFFFF	#000000	##FFFFFF
##303AC1	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C5

Deuteranopia (green-blind)

#0046BF

Tritanopia (blue-blind)

#006079

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #303ac1;
/* rgb */ color: rgb(48, 58, 193);
/* oklch */ color: oklch(43.9% 0.206 271.2);

Tailwind

colors: {
  custom: {
    50: '#7f71d5',
    500: '#303ac1',
    950: '#000000',
  },
}

SCSS

$custom: #303ac1;
$custom-light: #7f71d5;
$custom-dark: #000000;

JSON

{
  "hex": "#303ac1",
  "rgb": {
    "r": 48,
    "g": 58,
    "b": 193
  },
  "hsl": {
    "h": 235.862,
    "s": 60.166,
    "l": 47.255
  },
  "oklch": {
    "l": 0.43927,
    "c": 0.20613,
    "h": 271.2
  },
  "luminance": 0.07505
}

Semantic roles & 50–950 ramp

primary

#303AC1

secondary

#CCC781

accent

#D844E3

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #303AC1

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

Preview Lab → · Contrast checker → · Palette generator →