#321B75#321B75

#321B75 is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.7% C 0.143 H 286.8°. Best body text is #FFFFFF at 13.56:1 contrast (WCAG AA passes).

Color values

HEX	#321B75
RGB	rgb(50, 27, 117)
HSL	hsl(255, 63%, 28%)
HSV	hsv(255, 77%, 46%)
CMYK	cmyk(57.3%, 76.9%, 0%, 54.1%)
CIE-LAB	lab(19.00, 35.46, -47.56)
CIE-LCH	lch(19.00, 59.32, 306.71°)
OKLab	oklab(31.74% 0.0414 -0.1368)
OKLCH	oklch(31.74% 0.143 286.8)
XYZ	xyz(4.9173, 2.7461, 17.0971)
Luminance	0.0275 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#321B75 #5E751B

analogous

#1B3175 #321B75 #5F1B75

triadic

#321B75 #75321B #1B7532

tetradic

#321B75 #751B31 #5E751B #1B755F

square

#321B75 #751B31 #5E751B #1B755F

split-complementary

#321B75 #755F1B #31751B

monochromatic

#0B0619 #1D1043 #321B75 #4726A7 #6039D1

Accessibility & contrast

On white

13.56

#321B75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#321B75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #321B75

13.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##321B75	#FFFFFF	#000000	##FFFFFF
##321B75	1.00	13.56	1.55	13.56
#FFFFFF	13.56	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003078

Deuteranopia (green-blind)

#002C73

Tritanopia (blue-blind)

#153446

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #321b75;
/* rgb */ color: rgb(50, 27, 117);
/* oklch */ color: oklch(31.7% 0.143 286.8);

Tailwind

colors: {
  custom: {
    50: '#725a9e',
    500: '#321b75',
    950: '#000000',
  },
}

SCSS

$custom: #321b75;
$custom-light: #725a9e;
$custom-dark: #000000;

JSON

{
  "hex": "#321b75",
  "rgb": {
    "r": 50,
    "g": 27,
    "b": 117
  },
  "hsl": {
    "h": 255.333,
    "s": 62.5,
    "l": 28.235
  },
  "oklch": {
    "l": 0.31743,
    "c": 0.14295,
    "h": 286.8
  },
  "luminance": 0.02746
}

Semantic roles & 50–950 ramp

primary

#321B75

secondary

#8FA942

accent

#E642BC

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040E

muted

#7B797E

Preview Lab

Preview with #321B75

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

Preview Lab → · Contrast checker → · Palette generator →