#581985
Closest named color: Indigo (#4B0082). oklch(37.6% 0.167 306.1), rgb(88, 25, 133).
Aa
White text reads best on this color (11.09:1).
About this color
#581985 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.167 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.041 away. White text reads best on it, at 11.09:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.167) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.89:1 |
| White text | 11.09:1 |
Values
| HEX | #581985 |
| RGB | rgb(88, 25, 133) |
| HSL | hsl(275, 68%, 31%) |
| OKLCH | oklch(37.6% 0.167 306.1) |
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 #581985 | 11.09:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #581985 | 1.89:1 | Fails | Lc 9.3 | Not readable |
| #581985 text on white | 11.09:1 | AAA | Lc 94.6 | Preferred for body text |
| #581985 text on black | 1.89:1 | Fails | Lc -8.0 | 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
#F8F3FF
oklch(97.1% 0.017 304.8)
-
Step 100
100
#F0E4FE
oklch(93.6% 0.037 306.4)
-
Step 200
200
#E4CEFE
oklch(88.5% 0.069 305.8)
-
Step 300
300
#D4ACFF
oklch(80.9% 0.121 305.9)
-
Step 400
400
#BF7AFF
oklch(70.7% 0.195 306)
-
Step 500
500
#B14BFF
oklch(63.1% 0.254 306.2)
-
Step 600
600
#9D14EF
oklch(55.6% 0.278 306)
-
Step 700
700
#8600CE
oklch(49.2% 0.254 306.1)
-
Step 800
800
#6D0AA8
oklch(42.7% 0.214 306)
-
Step 900
900 (this color)
#581985
oklch(37.6% 0.167 306.1)
-
Step 950
950
#34124E
oklch(27.1% 0.106 306.5)
#581985 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) | #003A88 | 0.126 |
| Deuteranopia (no green cones) | #003C83 | 0.128 |
| Tritanopia (no blue cones) | #50354F | 0.117 |
| Achromatopsia (no color) | #3C3C3C | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #581985
#581985
oklch(37.6% 0.167 306.1)
- #354A00
#354A00
oklch(37.7% 0.096 125.9)
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 #581985, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.041
- Royal Purple #4B006E ΔE 0.058
- Rebecca Purple #663399 ΔE 0.065
- Chrysanthemum #560BAD ΔE 0.067
- Imperial Purple #480CA8 ΔE 0.071
- Dark Slate Blue #483D8B ΔE 0.076
- Purple #800080 ΔE 0.087
- Blueberry #464196 ΔE 0.088
Use #581985 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.