#301B8B#301B8B

#301B8B is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.9% C 0.170 H 280.8°. Best body text is #FFFFFF at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#301B8B
RGB	rgb(48, 27, 139)
HSL	hsl(251, 67%, 33%)
HSV	hsv(251, 81%, 55%)
CMYK	cmyk(65.5%, 80.6%, 0%, 45.5%)
CIE-LAB	lab(21.12, 42.04, -58.02)
CIE-LCH	lch(21.12, 71.65, 305.93°)
OKLab	oklab(33.88% 0.032 -0.1674)
OKLCH	oklch(33.88% 0.17 280.8)
XYZ	xyz(6.2696, 3.2758, 24.7230)
Luminance	0.0328 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301B8B #768B1B

analogous

#1B3E8B #301B8B #681B8B

triadic

#301B8B #8B301B #1B8B30

tetradic

#301B8B #8B1B3E #768B1B #1B8B68

square

#301B8B #8B1B3E #768B1B #1B8B68

split-complementary

#301B8B #8B681B #3E8B1B

monochromatic

#0D0725 #1E1158 #301B8B #4225BE #6145DB

Accessibility & contrast

On white

12.69

#301B8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#301B8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301B8B

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301B8B	#FFFFFF	#000000	##FFFFFF
##301B8B	1.00	12.69	1.66	12.69
#FFFFFF	12.69	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378E

Deuteranopia (green-blind)

#002F89

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #301b8b;
/* rgb */ color: rgb(48, 27, 139);
/* oklch */ color: oklch(33.9% 0.170 280.8);

Tailwind

colors: {
  custom: {
    50: '#765bae',
    500: '#301b8b',
    950: '#000000',
  },
}

SCSS

$custom: #301b8b;
$custom-light: #765bae;
$custom-dark: #000000;

JSON

{
  "hex": "#301b8b",
  "rgb": {
    "r": 48,
    "g": 27,
    "b": 139
  },
  "hsl": {
    "h": 251.25,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.33877,
    "c": 0.17047,
    "h": 280.8
  },
  "luminance": 0.03276
}

Semantic roles & 50–950 ramp

primary

#301B8B

secondary

#A6BC45

accent

#EA3DCA

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #301B8B

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

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