#301D9C#301D9C

#301D9C is a dark, vivid blue. Relative luminance 0.039; OKLCH L 36.0% C 0.189 H 277.9°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#301D9C
RGB	rgb(48, 29, 156)
HSL	hsl(249, 69%, 36%)
HSV	hsv(249, 81%, 61%)
CMYK	cmyk(69.2%, 81.4%, 0%, 38.8%)
CIE-LAB	lab(23.36, 46.29, -64.83)
CIE-LCH	lch(23.36, 79.66, 305.53°)
OKLab	oklab(36% 0.0259 -0.1873)
OKLCH	oklch(36% 0.189 277.9)
XYZ	xyz(7.6571, 3.9067, 31.7966)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301D9C #899C1D

analogous

#1D4A9C #301D9C #701D9C

triadic

#301D9C #9C301D #1D9C30

tetradic

#301D9C #9C1D4A #899C1D #1D9C70

square

#301D9C #9C1D4A #899C1D #1D9C70

split-complementary

#301D9C #9C701D #4A9C1D

monochromatic

#100A35 #201368 #301D9C #4027D0 #6954DF

Accessibility & contrast

On white

11.79

#301D9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#301D9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301D9C

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301D9C	#FFFFFF	#000000	##FFFFFF
##301D9C	1.00	11.79	1.78	11.79
#FFFFFF	11.79	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9F

Deuteranopia (green-blind)

#00329A

Tritanopia (blue-blind)

#00445D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #301d9c;
/* rgb */ color: rgb(48, 29, 156);
/* oklch */ color: oklch(36.0% 0.189 277.9);

Tailwind

colors: {
  custom: {
    50: '#795dbb',
    500: '#301d9c',
    950: '#000000',
  },
}

SCSS

$custom: #301d9c;
$custom-light: #795dbb;
$custom-dark: #000000;

JSON

{
  "hex": "#301d9c",
  "rgb": {
    "r": 48,
    "g": 29,
    "b": 156
  },
  "hsl": {
    "h": 248.976,
    "s": 68.649,
    "l": 36.275
  },
  "oklch": {
    "l": 0.35998,
    "c": 0.18906,
    "h": 277.9
  },
  "luminance": 0.03907
}

Semantic roles & 50–950 ramp

primary

#301D9C

secondary

#B2C252

accent

#EB3CD1

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #301D9C

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

Preview Lab → · Contrast checker → · Palette generator →