#301C9F#301C9F

#301C9F is a dark, vivid blue. Relative luminance 0.040; OKLCH L 36.2% C 0.193 H 277.5°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#301C9F
RGB	rgb(48, 28, 159)
HSL	hsl(249, 70%, 37%)
HSV	hsv(249, 82%, 62%)
CMYK	cmyk(69.8%, 82.4%, 0%, 37.6%)
CIE-LAB	lab(23.54, 47.67, -66.36)
CIE-LCH	lch(23.54, 81.71, 305.69°)
OKLab	oklab(36.23% 0.0254 -0.1917)
OKLCH	oklch(36.23% 0.193 277.5)
XYZ	xyz(7.8902, 3.9614, 33.1430)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301C9F #8B9F1C

analogous

#1C4A9F #301C9F #721C9F

triadic

#301C9F #9F301C #1C9F30

tetradic

#301C9F #9F1C4A #8B9F1C #1C9F72

square

#301C9F #9F1C4A #8B9F1C #1C9F72

split-complementary

#301C9F #9F721C #4A9F1C

monochromatic

#110A37 #20136B #301C9F #4025D3 #6A54E1

Accessibility & contrast

On white

11.72

#301C9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#301C9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301C9F

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301C9F	#FFFFFF	#000000	##FFFFFF
##301C9F	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA3

Deuteranopia (green-blind)

#00339D

Tritanopia (blue-blind)

#00455F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #301c9f;
/* rgb */ color: rgb(48, 28, 159);
/* oklch */ color: oklch(36.2% 0.193 277.5);

Tailwind

colors: {
  custom: {
    50: '#7a5dbd',
    500: '#301c9f',
    950: '#000000',
  },
}

SCSS

$custom: #301c9f;
$custom-light: #7a5dbd;
$custom-dark: #000000;

JSON

{
  "hex": "#301c9f",
  "rgb": {
    "r": 48,
    "g": 28,
    "b": 159
  },
  "hsl": {
    "h": 249.16,
    "s": 70.053,
    "l": 36.667
  },
  "oklch": {
    "l": 0.36226,
    "c": 0.1934,
    "h": 277.5
  },
  "luminance": 0.03962
}

Semantic roles & 50–950 ramp

primary

#301C9F

secondary

#B3C453

accent

#ED3BD2

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #301C9F

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

Preview Lab → · Contrast checker → · Palette generator →