#301B74#301B74

#301B74 is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.4% C 0.142 H 285.7°. Best body text is #FFFFFF at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#301B74
RGB	rgb(48, 27, 116)
HSL	hsl(254, 62%, 28%)
HSV	hsv(254, 77%, 45%)
CMYK	cmyk(58.6%, 76.7%, 0%, 54.5%)
CIE-LAB	lab(18.68, 34.83, -47.44)
CIE-LCH	lch(18.68, 58.85, 306.29°)
OKLab	oklab(31.44% 0.0385 -0.1365)
OKLCH	oklch(31.44% 0.142 285.7)
XYZ	xyz(4.7623, 2.6729, 16.7846)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301B74 #5F741B

analogous

#1B3274 #301B74 #5C1B74

triadic

#301B74 #74301B #1B7430

tetradic

#301B74 #741B32 #5F741B #1B745C

square

#301B74 #741B32 #5F741B #1B745C

split-complementary

#301B74 #745C1B #32741B

monochromatic

#0A0619 #1B0F42 #301B74 #4527A6 #5D39D1

Accessibility & contrast

On white

13.68

#301B74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#301B74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301B74

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301B74	#FFFFFF	#000000	##FFFFFF
##301B74	1.00	13.68	1.53	13.68
#FFFFFF	13.68	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003077

Deuteranopia (green-blind)

#002B72

Tritanopia (blue-blind)

#103346

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #301b74;
/* rgb */ color: rgb(48, 27, 116);
/* oklch */ color: oklch(31.4% 0.142 285.7);

Tailwind

colors: {
  custom: {
    50: '#715a9d',
    500: '#301b74',
    950: '#000000',
  },
}

SCSS

$custom: #301b74;
$custom-light: #715a9d;
$custom-dark: #000000;

JSON

{
  "hex": "#301b74",
  "rgb": {
    "r": 48,
    "g": 27,
    "b": 116
  },
  "hsl": {
    "h": 254.157,
    "s": 62.238,
    "l": 28.039
  },
  "oklch": {
    "l": 0.3144,
    "c": 0.14186,
    "h": 285.7
  },
  "luminance": 0.02673
}

Semantic roles & 50–950 ramp

primary

#301B74

secondary

#90A942

accent

#E542BF

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #301B74

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

Preview Lab → · Contrast checker → · Palette generator →