#581B8F#581B8F

#581B8F is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.7% C 0.175 H 302.4°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#581B8F
RGB	rgb(88, 27, 143)
HSL	hsl(272, 68%, 33%)
HSV	hsv(272, 81%, 56%)
CMYK	cmyk(38.5%, 81.1%, 0%, 43.9%)
CIE-LAB	lab(26.28, 48.77, -51.85)
CIE-LCH	lch(26.28, 71.18, 313.24°)
OKLab	oklab(38.67% 0.0939 -0.148)
OKLCH	oklch(38.67% 0.175 302.4)
XYZ	xyz(9.3732, 4.8417, 26.4220)
Luminance	0.0484 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B8F #528F1B

analogous

#1E1B8F #581B8F #8F1B8C

triadic

#581B8F #8F581B #1B8F58

tetradic

#581B8F #8F1E1B #528F1B #1B8C8F

square

#581B8F #8F1E1B #528F1B #1B8C8F

split-complementary

#581B8F #8C8F1B #1B8F1E

monochromatic

#190828 #38115C #581B8F #7825C2 #9648DC

Accessibility & contrast

On white

10.67

#581B8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#581B8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B8F

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B8F	#FFFFFF	#000000	##FFFFFF
##581B8F	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D92

Deuteranopia (green-blind)

#003E8D

Tritanopia (blue-blind)

#4C3B55

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #581b8f;
/* rgb */ color: rgb(88, 27, 143);
/* oklch */ color: oklch(38.7% 0.175 302.4);

Tailwind

colors: {
  custom: {
    50: '#8d60b1',
    500: '#581b8f',
    950: '#000000',
  },
}

SCSS

$custom: #581b8f;
$custom-light: #8d60b1;
$custom-dark: #000000;

JSON

{
  "hex": "#581b8f",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 143
  },
  "hsl": {
    "h": 271.552,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.38674,
    "c": 0.17531,
    "h": 302.4
  },
  "luminance": 0.04842
}

Semantic roles & 50–950 ramp

primary

#581B8F

secondary

#80BE48

accent

#EB3D8F

background

#F9F5FB

surface

#F1EAF6

border

#CBC6D0

text

#0D0511

muted

#7E7980

Preview Lab

Preview with #581B8F

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

Preview Lab → · Contrast checker → · Palette generator →