#5B128E#5B128E

#5B128E is a dark, vivid violet. Relative luminance 0.046; OKLCH L 38.3% C 0.183 H 305.2°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#5B128E
RGB	rgb(91, 18, 142)
HSL	hsl(275, 78%, 31%)
HSV	hsv(275, 87%, 56%)
CMYK	cmyk(35.9%, 87.3%, 0%, 44.3%)
CIE-LAB	lab(25.59, 52.04, -52.34)
CIE-LCH	lch(25.59, 73.81, 314.84°)
OKLab	oklab(38.26% 0.1052 -0.1493)
OKLCH	oklch(38.26% 0.183 305.2)
XYZ	xyz(9.4121, 4.6098, 25.9799)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.70

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B128E #458E12

analogous

#1D128E #5B128E #8E1283

triadic

#5B128E #8E5B12 #128E5B

tetradic

#5B128E #8E1D12 #458E12 #12838E

square

#5B128E #8E1D12 #458E12 #12838E

split-complementary

#5B128E #838E12 #128E1D

monochromatic

#150421 #380B58 #5B128E #7E19C4 #9D35E5

Accessibility & contrast

On white

10.93

#5B128E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#5B128E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B128E

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B128E	#FFFFFF	#000000	##FFFFFF
##5B128E	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B91

Deuteranopia (green-blind)

#003D8C

Tritanopia (blue-blind)

#513653

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #5b128e;
/* rgb */ color: rgb(91, 18, 142);
/* oklch */ color: oklch(38.3% 0.183 305.2);

Tailwind

colors: {
  custom: {
    50: '#8f5cb0',
    500: '#5b128e',
    950: '#000000',
  },
}

SCSS

$custom: #5b128e;
$custom-light: #8f5cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#5b128e",
  "rgb": {
    "r": 91,
    "g": 18,
    "b": 142
  },
  "hsl": {
    "h": 275.323,
    "s": 77.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.38264,
    "c": 0.18261,
    "h": 305.2
  },
  "luminance": 0.0461
}

Semantic roles & 50–950 ramp

primary

#5B128E

secondary

#72C23A

accent

#F43483

background

#F9F5FA

surface

#F1E9F5

border

#CBC5CF

text

#0D0511

muted

#7E7980

Preview Lab

Preview with #5B128E

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

Preview Lab → · Contrast checker → · Palette generator →