#301D8B#301D8B

#301D8B is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.1% C 0.169 H 280.5°. Best body text is #FFFFFF at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#301D8B
RGB	rgb(48, 29, 139)
HSL	hsl(250, 65%, 33%)
HSV	hsv(250, 79%, 55%)
CMYK	cmyk(65.5%, 79.1%, 0%, 45.5%)
CIE-LAB	lab(21.47, 41.02, -57.43)
CIE-LCH	lch(21.47, 70.58, 305.53°)
OKLab	oklab(34.12% 0.0308 -0.1658)
OKLCH	oklch(34.12% 0.169 280.5)
XYZ	xyz(6.3170, 3.3707, 24.7388)
Luminance	0.0337 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301D8B #788B1D

analogous

#1D418B #301D8B #671D8B

triadic

#301D8B #8B301D #1D8B30

tetradic

#301D8B #8B1D41 #788B1D #1D8B67

square

#301D8B #8B1D41 #788B1D #1D8B67

split-complementary

#301D8B #8B671D #418B1D

monochromatic

#0D0826 #1F1258 #301D8B #4128BE #6249D9

Accessibility & contrast

On white

12.54

#301D8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#301D8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301D8B

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301D8B	#FFFFFF	#000000	##FFFFFF
##301D8B	1.00	12.54	1.67	12.54
#FFFFFF	12.54	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378E

Deuteranopia (green-blind)

#002F89

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #301d8b;
/* rgb */ color: rgb(48, 29, 139);
/* oklch */ color: oklch(34.1% 0.169 280.5);

Tailwind

colors: {
  custom: {
    50: '#755cae',
    500: '#301d8b',
    950: '#000000',
  },
}

SCSS

$custom: #301d8b;
$custom-light: #755cae;
$custom-dark: #000000;

JSON

{
  "hex": "#301d8b",
  "rgb": {
    "r": 48,
    "g": 29,
    "b": 139
  },
  "hsl": {
    "h": 250.364,
    "s": 65.476,
    "l": 32.941
  },
  "oklch": {
    "l": 0.34124,
    "c": 0.1686,
    "h": 280.5
  },
  "luminance": 0.03371
}

Semantic roles & 50–950 ramp

primary

#301D8B

secondary

#A7BB49

accent

#E83FCB

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #301D8B

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

Preview Lab → · Contrast checker → · Palette generator →