#301CA1#301CA1

#301CA1 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 36.5% C 0.196 H 277.3°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#301CA1
RGB	rgb(48, 28, 161)
HSL	hsl(249, 70%, 37%)
HSV	hsv(249, 83%, 63%)
CMYK	cmyk(70.2%, 82.6%, 0%, 36.9%)
CIE-LAB	lab(23.77, 48.27, -67.19)
CIE-LCH	lch(23.77, 82.74, 305.69°)
OKLab	oklab(36.45% 0.0248 -0.1941)
OKLCH	oklch(36.45% 0.196 277.3)
XYZ	xyz(8.0651, 4.0314, 34.0644)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301CA1 #8DA11C

analogous

#1C4AA1 #301CA1 #731CA1

triadic

#301CA1 #A1301C #1CA130

tetradic

#301CA1 #A11C4A #8DA11C #1CA173

square

#301CA1 #A11C4A #8DA11C #1CA173

split-complementary

#301CA1 #A1731C #4AA11C

monochromatic

#110A39 #20136D #301CA1 #4025D5 #6B56E2

Accessibility & contrast

On white

11.63

#301CA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#301CA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301CA1

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301CA1	#FFFFFF	#000000	##FFFFFF
##301CA1	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA5

Deuteranopia (green-blind)

#00339F

Tritanopia (blue-blind)

#004660

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #301ca1;
/* rgb */ color: rgb(48, 28, 161);
/* oklch */ color: oklch(36.5% 0.196 277.3);

Tailwind

colors: {
  custom: {
    50: '#7a5dbe',
    500: '#301ca1',
    950: '#000000',
  },
}

SCSS

$custom: #301ca1;
$custom-light: #7a5dbe;
$custom-dark: #000000;

JSON

{
  "hex": "#301ca1",
  "rgb": {
    "r": 48,
    "g": 28,
    "b": 161
  },
  "hsl": {
    "h": 249.023,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.36453,
    "c": 0.19573,
    "h": 277.3
  },
  "luminance": 0.04032
}

Semantic roles & 50–950 ramp

primary

#301CA1

secondary

#B4C554

accent

#ED3BD2

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #301CA1

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

Preview Lab → · Contrast checker → · Palette generator →