#301C9E#301C9E

#301C9E is a dark, vivid blue. Relative luminance 0.039; OKLCH L 36.1% C 0.192 H 277.7°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#301C9E
RGB	rgb(48, 28, 158)
HSL	hsl(249, 70%, 36%)
HSV	hsv(249, 82%, 62%)
CMYK	cmyk(69.6%, 82.3%, 0%, 38%)
CIE-LAB	lab(23.43, 47.37, -65.94)
CIE-LCH	lch(23.43, 81.19, 305.69°)
OKLab	oklab(36.11% 0.0257 -0.1905)
OKLCH	oklch(36.11% 0.192 277.7)
XYZ	xyz(7.8037, 3.9268, 32.6878)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301C9E #8A9E1C

analogous

#1C499E #301C9E #711C9E

triadic

#301C9E #9E301C #1C9E30

tetradic

#301C9E #9E1C49 #8A9E1C #1C9E71

square

#301C9E #9E1C49 #8A9E1C #1C9E71

split-complementary

#301C9E #9E711C #499E1C

monochromatic

#100A36 #20136A #301C9E #4025D2 #6954E1

Accessibility & contrast

On white

11.76

#301C9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#301C9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301C9E

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301C9E	#FFFFFF	#000000	##FFFFFF
##301C9E	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA2

Deuteranopia (green-blind)

#00329C

Tritanopia (blue-blind)

#00455E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #301c9e;
/* rgb */ color: rgb(48, 28, 158);
/* oklch */ color: oklch(36.1% 0.192 277.7);

Tailwind

colors: {
  custom: {
    50: '#7a5dbc',
    500: '#301c9e',
    950: '#000000',
  },
}

SCSS

$custom: #301c9e;
$custom-light: #7a5dbc;
$custom-dark: #000000;

JSON

{
  "hex": "#301c9e",
  "rgb": {
    "r": 48,
    "g": 28,
    "b": 158
  },
  "hsl": {
    "h": 249.231,
    "s": 69.892,
    "l": 36.471
  },
  "oklch": {
    "l": 0.36112,
    "c": 0.19223,
    "h": 277.7
  },
  "luminance": 0.03928
}

Semantic roles & 50–950 ramp

primary

#301C9E

secondary

#B2C452

accent

#ED3BD1

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #301C9E

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

Preview Lab → · Contrast checker → · Palette generator →