#301B8E#301B8E

#301B8E is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.2% C 0.174 H 280.3°. Best body text is #FFFFFF at 12.55:1 contrast (WCAG AA passes).

Color values

HEX	#301B8E
RGB	rgb(48, 27, 142)
HSL	hsl(251, 68%, 33%)
HSV	hsv(251, 81%, 56%)
CMYK	cmyk(66.2%, 81%, 0%, 44.3%)
CIE-LAB	lab(21.45, 42.97, -59.34)
CIE-LCH	lch(21.45, 73.26, 305.91°)
OKLab	oklab(34.21% 0.0311 -0.1713)
OKLCH	oklch(34.21% 0.174 280.3)
XYZ	xyz(6.4918, 3.3647, 25.8933)
Luminance	0.0336 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301B8E #798E1B

analogous

#1B3F8E #301B8E #6A1B8E

triadic

#301B8E #8E301B #1B8E30

tetradic

#301B8E #8E1B3F #798E1B #1B8E6A

square

#301B8E #8E1B3F #798E1B #1B8E6A

split-complementary

#301B8E #8E6A1B #3F8E1B

monochromatic

#0D0727 #1F115B #301B8E #4125C1 #6247DC

Accessibility & contrast

On white

12.55

#301B8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#301B8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301B8E

12.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301B8E	#FFFFFF	#000000	##FFFFFF
##301B8E	1.00	12.55	1.67	12.55
#FFFFFF	12.55	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003791

Deuteranopia (green-blind)

#002F8C

Tritanopia (blue-blind)

#003E55

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #301b8e;
/* rgb */ color: rgb(48, 27, 142);
/* oklch */ color: oklch(34.2% 0.174 280.3);

Tailwind

colors: {
  custom: {
    50: '#765bb0',
    500: '#301b8e',
    950: '#000000',
  },
}

SCSS

$custom: #301b8e;
$custom-light: #765bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#301b8e",
  "rgb": {
    "r": 48,
    "g": 27,
    "b": 142
  },
  "hsl": {
    "h": 250.957,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.34207,
    "c": 0.17409,
    "h": 280.3
  },
  "luminance": 0.03365
}

Semantic roles & 50–950 ramp

primary

#301B8E

secondary

#A8BE47

accent

#EB3DCB

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #301B8E

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

Preview Lab → · Contrast checker → · Palette generator →