#301B8C#301B8C

#301B8C is a dark, vivid violet. Relative luminance 0.033; OKLCH L 34.0% C 0.172 H 280.6°. Best body text is #FFFFFF at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#301B8C
RGB	rgb(48, 27, 140)
HSL	hsl(251, 68%, 33%)
HSV	hsv(251, 81%, 55%)
CMYK	cmyk(65.7%, 80.7%, 0%, 45.1%)
CIE-LAB	lab(21.23, 42.35, -58.46)
CIE-LCH	lch(21.23, 72.19, 305.92°)
OKLab	oklab(33.99% 0.0317 -0.1687)
OKLCH	oklch(33.99% 0.172 280.6)
XYZ	xyz(6.3430, 3.3052, 25.1096)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301B8C #778C1B

analogous

#1B3F8C #301B8C #681B8C

triadic

#301B8C #8C301B #1B8C30

tetradic

#301B8C #8C1B3F #778C1B #1B8C68

square

#301B8C #8C1B3F #778C1B #1B8C68

split-complementary

#301B8C #8C681B #3F8C1B

monochromatic

#0D0725 #1E1159 #301B8C #4225BF #6246DB

Accessibility & contrast

On white

12.64

#301B8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#301B8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301B8C

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301B8C	#FFFFFF	#000000	##FFFFFF
##301B8C	1.00	12.64	1.66	12.64
#FFFFFF	12.64	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378F

Deuteranopia (green-blind)

#002F8A

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #301b8c;
/* rgb */ color: rgb(48, 27, 140);
/* oklch */ color: oklch(34.0% 0.172 280.6);

Tailwind

colors: {
  custom: {
    50: '#765baf',
    500: '#301b8c',
    950: '#000000',
  },
}

SCSS

$custom: #301b8c;
$custom-light: #765baf;
$custom-dark: #000000;

JSON

{
  "hex": "#301b8c",
  "rgb": {
    "r": 48,
    "g": 27,
    "b": 140
  },
  "hsl": {
    "h": 251.15,
    "s": 67.665,
    "l": 32.745
  },
  "oklch": {
    "l": 0.33986,
    "c": 0.17168,
    "h": 280.6
  },
  "luminance": 0.03306
}

Semantic roles & 50–950 ramp

primary

#301B8C

secondary

#A7BD46

accent

#EB3DCA

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #301B8C

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

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