#582381
Closest named color: Indigo (#4B0082). oklch(38.4% 0.151 306.2), rgb(88, 35, 129).
Aa
White text reads best on this color (10.64:1).
About this color
#582381 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.151 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.054 away. White text reads best on it, at 10.64:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.97:1 |
| White text | 10.64:1 |
Values
| HEX | #582381 |
| RGB | rgb(88, 35, 129) |
| HSL | hsl(274, 57%, 32%) |
| OKLCH | oklch(38.4% 0.151 306.2) |
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 #582381 | 10.64:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #582381 | 1.97:1 | Fails | Lc 10.0 | Not readable |
| #582381 text on white | 10.64:1 | AAA | Lc 94.0 | Preferred for body text |
| #582381 text on black | 1.97:1 | Fails | Lc -8.6 | 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
#F8F3FE
oklch(97.1% 0.015 306.4)
-
Step 100
100
#EFE5FC
oklch(93.7% 0.032 305.3)
-
Step 200
200
#E3CFFB
oklch(88.5% 0.063 305.7)
-
Step 300
300
#D3ADFB
oklch(80.9% 0.115 306.3)
-
Step 400
400
#BD7EF8
oklch(70.7% 0.181 306.2)
-
Step 500
500
#AD55F5
oklch(63.1% 0.232 306)
-
Step 600
600
#992EE4
oklch(55.6% 0.253 306)
-
Step 700
700
#831CC6
oklch(49.1% 0.235 306.1)
-
Step 800
800
#6A1DA0
oklch(42.7% 0.194 306)
-
Step 900
900 (this color)
#582381
oklch(38.4% 0.151 306.2)
-
Step 950
950
#32154A
oklch(26.9% 0.096 306.1)
#582381 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) | #003D84 | 0.120 |
| Deuteranopia (no green cones) | #013F7F | 0.121 |
| Tritanopia (no blue cones) | #51394F | 0.109 |
| Achromatopsia (no color) | #3E3E3E | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #582381
#582381
oklch(38.4% 0.151 306.2)
- #364C00
#364C00
oklch(38.4% 0.098 126.2)
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 #582381, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.054
- Rebecca Purple #663399 ΔE 0.058
- Dark Slate Blue #483D8B ΔE 0.063
- Royal Purple #4B006E ΔE 0.066
- Chrysanthemum #560BAD ΔE 0.077
- Blueberry #464196 ΔE 0.077
- Imperial Purple #480CA8 ΔE 0.080
- Grape Purple #5D1451 ΔE 0.085
Use #582381 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.