#301D9A#301D9A

#301D9A is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.8% C 0.187 H 278.1°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#301D9A
RGB	rgb(48, 29, 154)
HSL	hsl(249, 68%, 36%)
HSV	hsv(249, 81%, 60%)
CMYK	cmyk(68.8%, 81.2%, 0%, 39.6%)
CIE-LAB	lab(23.13, 45.67, -63.98)
CIE-LCH	lch(23.13, 78.61, 305.52°)
OKLab	oklab(35.77% 0.0264 -0.1848)
OKLCH	oklch(35.77% 0.187 278.1)
XYZ	xyz(7.4891, 3.8396, 30.9120)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301D9A #879A1D

analogous

#1D489A #301D9A #6E1D9A

triadic

#301D9A #9A301D #1D9A30

tetradic

#301D9A #9A1D48 #879A1D #1D9A6E

square

#301D9A #9A1D48 #879A1D #1D9A6E

split-complementary

#301D9A #9A6E1D #489A1D

monochromatic

#100A33 #201366 #301D9A #4027CE #6853DF

Accessibility & contrast

On white

11.88

#301D9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#301D9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301D9A

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301D9A	#FFFFFF	#000000	##FFFFFF
##301D9A	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9D

Deuteranopia (green-blind)

#003298

Tritanopia (blue-blind)

#00435C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #301d9a;
/* rgb */ color: rgb(48, 29, 154);
/* oklch */ color: oklch(35.8% 0.187 278.1);

Tailwind

colors: {
  custom: {
    50: '#795db9',
    500: '#301d9a',
    950: '#000000',
  },
}

SCSS

$custom: #301d9a;
$custom-light: #795db9;
$custom-dark: #000000;

JSON

{
  "hex": "#301d9a",
  "rgb": {
    "r": 48,
    "g": 29,
    "b": 154
  },
  "hsl": {
    "h": 249.12,
    "s": 68.306,
    "l": 35.882
  },
  "oklch": {
    "l": 0.35774,
    "c": 0.18669,
    "h": 278.1
  },
  "luminance": 0.0384
}

Semantic roles & 50–950 ramp

primary

#301D9A

secondary

#B1C251

accent

#EB3DD1

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #301D9A

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

Preview Lab → · Contrast checker → · Palette generator →