#301B8D#301B8D

#301B8D is a dark, vivid violet. Relative luminance 0.033; OKLCH L 34.1% C 0.173 H 280.5°. Best body text is #FFFFFF at 12.60:1 contrast (WCAG AA passes).

Color values

HEX	#301B8D
RGB	rgb(48, 27, 141)
HSL	hsl(251, 68%, 33%)
HSV	hsv(251, 81%, 55%)
CMYK	cmyk(66%, 80.9%, 0%, 44.7%)
CIE-LAB	lab(21.34, 42.66, -58.90)
CIE-LCH	lch(21.34, 72.73, 305.91°)
OKLab	oklab(34.1% 0.0314 -0.17)
OKLCH	oklch(34.1% 0.173 280.5)
XYZ	xyz(6.4171, 3.3348, 25.4997)
Luminance	0.0333 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301B8D #788D1B

analogous

#1B3F8D #301B8D #691B8D

triadic

#301B8D #8D301B #1B8D30

tetradic

#301B8D #8D1B3F #788D1B #1B8D69

square

#301B8D #8D1B3F #788D1B #1B8D69

split-complementary

#301B8D #8D691B #3F8D1B

monochromatic

#0D0726 #1F115A #301B8D #4125C0 #6247DC

Accessibility & contrast

On white

12.60

#301B8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#301B8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301B8D

12.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301B8D	#FFFFFF	#000000	##FFFFFF
##301B8D	1.00	12.60	1.67	12.60
#FFFFFF	12.60	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003790

Deuteranopia (green-blind)

#002F8B

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #301b8d;
/* rgb */ color: rgb(48, 27, 141);
/* oklch */ color: oklch(34.1% 0.173 280.5);

Tailwind

colors: {
  custom: {
    50: '#765bb0',
    500: '#301b8d',
    950: '#000000',
  },
}

SCSS

$custom: #301b8d;
$custom-light: #765bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#301b8d",
  "rgb": {
    "r": 48,
    "g": 27,
    "b": 141
  },
  "hsl": {
    "h": 251.053,
    "s": 67.857,
    "l": 32.941
  },
  "oklch": {
    "l": 0.34096,
    "c": 0.17289,
    "h": 280.5
  },
  "luminance": 0.03335
}

Semantic roles & 50–950 ramp

primary

#301B8D

secondary

#A7BD46

accent

#EB3DCB

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #301B8D

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

Preview Lab → · Contrast checker → · Palette generator →