#301B70#301B70

#301B70 is a dark, vivid violet. Relative luminance 0.026; OKLCH L 31.0% C 0.137 H 286.8°. Best body text is #FFFFFF at 13.85:1 contrast (WCAG AA passes).

Color values

HEX	#301B70
RGB	rgb(48, 27, 112)
HSL	hsl(255, 61%, 27%)
HSV	hsv(255, 76%, 44%)
CMYK	cmyk(57.1%, 75.9%, 0%, 56.1%)
CIE-LAB	lab(18.29, 33.56, -45.51)
CIE-LCH	lch(18.29, 56.55, 306.41°)
OKLab	oklab(31.04% 0.0395 -0.1309)
OKLCH	oklch(31.04% 0.137 286.8)
XYZ	xyz(4.5346, 2.5819, 15.5855)
Luminance	0.0258 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301B70 #5B701B

analogous

#1B3070 #301B70 #5B1B70

triadic

#301B70 #70301B #1B7030

tetradic

#301B70 #701B30 #5B701B #1B705B

square

#301B70 #701B30 #5B701B #1B705B

split-complementary

#301B70 #705B1B #30701B

monochromatic

#0B0619 #1B0F3F #301B70 #4527A1 #5C37CF

Accessibility & contrast

On white

13.85

#301B70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#301B70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301B70

13.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301B70	#FFFFFF	#000000	##FFFFFF
##301B70	1.00	13.85	1.52	13.85
#FFFFFF	13.85	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F72

Deuteranopia (green-blind)

#002A6E

Tritanopia (blue-blind)

#153243

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #301b70;
/* rgb */ color: rgb(48, 27, 112);
/* oklch */ color: oklch(31.0% 0.137 286.8);

Tailwind

colors: {
  custom: {
    50: '#705a9a',
    500: '#301b70',
    950: '#000000',
  },
}

SCSS

$custom: #301b70;
$custom-light: #705a9a;
$custom-dark: #000000;

JSON

{
  "hex": "#301b70",
  "rgb": {
    "r": 48,
    "g": 27,
    "b": 112
  },
  "hsl": {
    "h": 254.824,
    "s": 61.151,
    "l": 27.255
  },
  "oklch": {
    "l": 0.31037,
    "c": 0.13672,
    "h": 286.8
  },
  "luminance": 0.02582
}

Semantic roles & 50–950 ramp

primary

#301B70

secondary

#8CA542

accent

#E444BD

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #301B70

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

Preview Lab → · Contrast checker → · Palette generator →