#301B75#301B75

#301B75 is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.5% C 0.143 H 285.5°. Best body text is #FFFFFF at 13.64:1 contrast (WCAG AA passes).

Color values

HEX	#301B75
RGB	rgb(48, 27, 117)
HSL	hsl(254, 63%, 28%)
HSV	hsv(254, 77%, 46%)
CMYK	cmyk(59%, 76.9%, 0%, 54.1%)
CIE-LAB	lab(18.78, 35.15, -47.92)
CIE-LCH	lch(18.78, 59.43, 306.26°)
OKLab	oklab(31.54% 0.0382 -0.1379)
OKLCH	oklch(31.54% 0.143 285.5)
XYZ	xyz(4.8208, 2.6963, 17.0926)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301B75 #60751B

analogous

#1B3375 #301B75 #5D1B75

triadic

#301B75 #75301B #1B7530

tetradic

#301B75 #751B33 #60751B #1B755D

square

#301B75 #751B33 #60751B #1B755D

split-complementary

#301B75 #755D1B #33751B

monochromatic

#0A0619 #1C1043 #301B75 #4426A7 #5D39D1

Accessibility & contrast

On white

13.64

#301B75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#301B75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301B75

13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301B75	#FFFFFF	#000000	##FFFFFF
##301B75	1.00	13.64	1.54	13.64
#FFFFFF	13.64	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003078

Deuteranopia (green-blind)

#002B73

Tritanopia (blue-blind)

#0E3446

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #301b75;
/* rgb */ color: rgb(48, 27, 117);
/* oklch */ color: oklch(31.5% 0.143 285.5);

Tailwind

colors: {
  custom: {
    50: '#715a9e',
    500: '#301b75',
    950: '#000000',
  },
}

SCSS

$custom: #301b75;
$custom-light: #715a9e;
$custom-dark: #000000;

JSON

{
  "hex": "#301b75",
  "rgb": {
    "r": 48,
    "g": 27,
    "b": 117
  },
  "hsl": {
    "h": 254,
    "s": 62.5,
    "l": 28.235
  },
  "oklch": {
    "l": 0.31542,
    "c": 0.14314,
    "h": 285.5
  },
  "luminance": 0.02697
}

Semantic roles & 50–950 ramp

primary

#301B75

secondary

#91A942

accent

#E642BF

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #301B75

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

Preview Lab → · Contrast checker → · Palette generator →