#301B65#301B65

#301B65 is a dark, vivid violet. Relative luminance 0.024; OKLCH L 30.0% C 0.122 H 290.0°. Best body text is #FFFFFF at 14.28:1 contrast (WCAG AA passes).

Color values

HEX	#301B65
RGB	rgb(48, 27, 101)
HSL	hsl(257, 58%, 25%)
HSV	hsv(257, 73%, 40%)
CMYK	cmyk(52.5%, 73.3%, 0%, 60.4%)
CIE-LAB	lab(17.23, 30.07, -40.04)
CIE-LCH	lch(17.23, 50.08, 306.91°)
OKLab	oklab(29.97% 0.0419 -0.1149)
OKLCH	oklch(29.97% 0.122 290)
XYZ	xyz(3.9591, 2.3517, 12.5547)
Luminance	0.0235 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.05

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301B65 #50651B

analogous

#1B2B65 #301B65 #551B65

triadic

#301B65 #65301B #1B6530

tetradic

#301B65 #651B2B #50651B #1B6555

square

#301B65 #651B2B #50651B #1B6555

split-complementary

#301B65 #65551B #2B651B

monochromatic

#0B0618 #190E35 #301B65 #472895 #5E35C6

Accessibility & contrast

On white

14.28

#301B65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#301B65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301B65

14.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301B65	#FFFFFF	#000000	##FFFFFF
##301B65	1.00	14.28	1.47	14.28
#FFFFFF	14.28	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C67

Deuteranopia (green-blind)

#002964

Tritanopia (blue-blind)

#1E2E3D

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #301b65;
/* rgb */ color: rgb(48, 27, 101);
/* oklch */ color: oklch(30.0% 0.122 290.0);

Tailwind

colors: {
  custom: {
    50: '#6e5992',
    500: '#301b65',
    950: '#000000',
  },
}

SCSS

$custom: #301b65;
$custom-light: #6e5992;
$custom-dark: #000000;

JSON

{
  "hex": "#301b65",
  "rgb": {
    "r": 48,
    "g": 27,
    "b": 101
  },
  "hsl": {
    "h": 257.027,
    "s": 57.813,
    "l": 25.098
  },
  "oklch": {
    "l": 0.29965,
    "c": 0.12226,
    "h": 290
  },
  "luminance": 0.02352
}

Semantic roles & 50–950 ramp

primary

#301B65

secondary

#819A41

accent

#E147B5

background

#F6F5F9

surface

#ECE9F1

border

#C7C5CB

text

#08030D

muted

#7B787E

Preview Lab

Preview with #301B65

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

Preview Lab → · Contrast checker → · Palette generator →