#301C9D#301C9D

#301C9D is a dark, vivid blue. Relative luminance 0.039; OKLCH L 36.0% C 0.191 H 277.8°. Best body text is #FFFFFF at 11.81:1 contrast (WCAG AA passes).

Color values

HEX	#301C9D
RGB	rgb(48, 28, 157)
HSL	hsl(249, 70%, 36%)
HSV	hsv(249, 82%, 62%)
CMYK	cmyk(69.4%, 82.2%, 0%, 38.4%)
CIE-LAB	lab(23.31, 47.07, -65.52)
CIE-LCH	lch(23.31, 80.67, 305.69°)
OKLab	oklab(36% 0.026 -0.1893)
OKLCH	oklch(36% 0.191 277.8)
XYZ	xyz(7.7180, 3.8925, 32.2364)
Luminance	0.0389 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301C9D #899D1C

analogous

#1C499D #301C9D #711C9D

triadic

#301C9D #9D301C #1C9D30

tetradic

#301C9D #9D1C49 #899D1C #1C9D71

square

#301C9D #9D1C49 #899D1C #1C9D71

split-complementary

#301C9D #9D711C #499D1C

monochromatic

#100935 #201369 #301C9D #4025D1 #6953E0

Accessibility & contrast

On white

11.81

#301C9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#301C9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301C9D

11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301C9D	#FFFFFF	#000000	##FFFFFF
##301C9D	1.00	11.81	1.78	11.81
#FFFFFF	11.81	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA1

Deuteranopia (green-blind)

#00329B

Tritanopia (blue-blind)

#00445D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #301c9d;
/* rgb */ color: rgb(48, 28, 157);
/* oklch */ color: oklch(36.0% 0.191 277.8);

Tailwind

colors: {
  custom: {
    50: '#795dbb',
    500: '#301c9d',
    950: '#000000',
  },
}

SCSS

$custom: #301c9d;
$custom-light: #795dbb;
$custom-dark: #000000;

JSON

{
  "hex": "#301c9d",
  "rgb": {
    "r": 48,
    "g": 28,
    "b": 157
  },
  "hsl": {
    "h": 249.302,
    "s": 69.73,
    "l": 36.275
  },
  "oklch": {
    "l": 0.35999,
    "c": 0.19106,
    "h": 277.8
  },
  "luminance": 0.03893
}

Semantic roles & 50–950 ramp

primary

#301C9D

secondary

#B2C351

accent

#ED3BD1

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #301C9D

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

Preview Lab → · Contrast checker → · Palette generator →