#5B128F#5B128F

#5B128F is a dark, vivid violet. Relative luminance 0.046; OKLCH L 38.4% C 0.184 H 304.8°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#5B128F
RGB	rgb(91, 18, 143)
HSL	hsl(275, 78%, 32%)
HSV	hsv(275, 87%, 56%)
CMYK	cmyk(36.4%, 87.4%, 0%, 43.9%)
CIE-LAB	lab(25.68, 52.27, -52.81)
CIE-LCH	lch(25.68, 74.30, 314.71°)
OKLab	oklab(38.35% 0.1048 -0.1507)
OKLCH	oklch(38.35% 0.184 304.8)
XYZ	xyz(9.4875, 4.6400, 26.3771)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.75

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B128F #468F12

analogous

#1D128F #5B128F #8F1285

triadic

#5B128F #8F5B12 #128F5B

tetradic

#5B128F #8F1D12 #468F12 #12858F

square

#5B128F #8F1D12 #468F12 #12858F

split-complementary

#5B128F #858F12 #128F1D

monochromatic

#160422 #380B59 #5B128F #7E19C5 #9C36E6

Accessibility & contrast

On white

10.89

#5B128F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#5B128F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B128F

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B128F	#FFFFFF	#000000	##FFFFFF
##5B128F	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B92

Deuteranopia (green-blind)

#003D8D

Tritanopia (blue-blind)

#513754

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #5b128f;
/* rgb */ color: rgb(91, 18, 143);
/* oklch */ color: oklch(38.4% 0.184 304.8);

Tailwind

colors: {
  custom: {
    50: '#8f5cb1',
    500: '#5b128f',
    950: '#000000',
  },
}

SCSS

$custom: #5b128f;
$custom-light: #8f5cb1;
$custom-dark: #000000;

JSON

{
  "hex": "#5b128f",
  "rgb": {
    "r": 91,
    "g": 18,
    "b": 143
  },
  "hsl": {
    "h": 275.04,
    "s": 77.64,
    "l": 31.569
  },
  "oklch": {
    "l": 0.38354,
    "c": 0.18355,
    "h": 304.8
  },
  "luminance": 0.0464
}

Semantic roles & 50–950 ramp

primary

#5B128F

secondary

#73C33A

accent

#F43484

background

#F9F5FB

surface

#F2E9F6

border

#CCC5D0

text

#0D0511

muted

#7E7980

Preview Lab

Preview with #5B128F

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

Preview Lab → · Contrast checker → · Palette generator →