#581A6B
Closest named color: Royal Purple (#4B006E). oklch(35.6% 0.14 317), rgb(88, 26, 107).
Aa
White text reads best on this color (11.83:1).
About this color
#581A6B is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.140 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.047 away. White text reads best on it, at 11.83:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.140) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.77:1 |
| White text | 11.83:1 |
Values
| HEX | #581A6B |
| RGB | rgb(88, 26, 107) |
| HSL | hsl(286, 61%, 26%) |
| OKLCH | oklch(35.6% 0.14 317) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #581A6B | 11.83:1 | AAA | Lc -100.0 | Preferred for body text |
| Black text on #581A6B | 1.77:1 | Fails | Lc 7.6 | Not readable |
| #581A6B text on white | 11.83:1 | AAA | Lc 96.3 | Preferred for body text |
| #581A6B text on black | 1.77:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F9F3FC
oklch(97.1% 0.013 314.8)
-
Step 100
100
#F2E4F8
oklch(93.6% 0.031 315.9)
-
Step 200
200
#E9CEF3
oklch(88.5% 0.058 316.9)
-
Step 300
300
#DCABEE
oklch(80.8% 0.106 316.8)
-
Step 400
400
#CA7BE5
oklch(70.6% 0.169 317)
-
Step 500
500
#BB53DD
oklch(63% 0.215 316.9)
-
Step 600
600
#A72FCA
oklch(55.6% 0.233 317.2)
-
Step 700
700
#8F1EAF
oklch(49.1% 0.217 317.1)
-
Step 800
800
#741E8E
oklch(42.7% 0.179 316.8)
-
Step 900
900 (this color)
#581A6B
oklch(35.6% 0.14 317)
-
Step 950
950
#371542
oklch(27% 0.088 317.1)
#581A6B with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #00346D | 0.133 |
| Deuteranopia (no green cones) | #1B3969 | 0.120 |
| Tritanopia (no blue cones) | #572B41 | 0.089 |
| Achromatopsia (no color) | #373737 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #581A6B
#581A6B
oklch(35.6% 0.14 317)
- #1C4800
#1C4800
oklch(35.6% 0.108 137)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #581A6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.047
- Grape Purple #5D1451 ΔE 0.047
- Plum Purple #4E0550 ΔE 0.059
- Indigo #4B0082 ΔE 0.060
- Rich Purple #720058 ΔE 0.068
- Deep Violet #490648 ΔE 0.075
- Velvet #750851 ΔE 0.079
- Purple #800080 ΔE 0.090
Use #581A6B in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.