#581D40
Closest named color: Grape Purple (#5D1451). oklch(33.4% 0.097 347), rgb(88, 29, 64).
Aa
White text reads best on this color (12.61:1).
About this color
#581D40 is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.097 and its hue 347°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.038 away. White text reads best on it, at 12.61:1.
| Hue family | Reds |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.097) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.66:1 |
| White text | 12.61:1 |
Values
| HEX | #581D40 |
| RGB | rgb(88, 29, 64) |
| HSL | hsl(324, 50%, 23%) |
| OKLCH | oklch(33.4% 0.097 347) |
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 #581D40 | 12.61:1 | AAA | Lc -101.5 | Preferred for body text |
| Black text on #581D40 | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #581D40 text on white | 12.61:1 | AAA | Lc 98.0 | Preferred for body text |
| #581D40 text on black | 1.66:1 | 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
#FBF3F7
oklch(97.1% 0.01 345.4)
-
Step 100
100
#F5E4EC
oklch(93.5% 0.021 347.3)
-
Step 200
200
#EECFDE
oklch(88.5% 0.04 347.1)
-
Step 300
300
#E5AECA
oklch(80.9% 0.073 346.9)
-
Step 400
400
#D582AF
oklch(70.7% 0.116 346.8)
-
Step 500
500
#C8609B
oklch(63.2% 0.148 347)
-
Step 600
600
#B34385
oklch(55.6% 0.162 347.2)
-
Step 700
700
#993471
oklch(49% 0.15 346.8)
-
Step 800
800
#7D2C5C
oklch(42.7% 0.125 347.1)
-
Step 900
900 (this color)
#581D40
oklch(33.4% 0.097 347)
-
Step 950
950
#3B192C
oklch(27% 0.06 347.2)
#581D40 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) | #242D41 | 0.105 |
| Deuteranopia (no green cones) | #34373F | 0.095 |
| Tritanopia (no blue cones) | #5E1C2B | 0.039 |
| Achromatopsia (no color) | #333333 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #581D40
#581D40
oklch(33.4% 0.097 347)
- #00412F
#00412F
oklch(33.3% 0.068 167.5)
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 #581D40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.038
- Burgundy #610023 ΔE 0.056
- Merlot #730039 ΔE 0.061
- Plum Purple #4E0550 ΔE 0.062
- Deep Violet #490648 ΔE 0.063
- Velvet #750851 ΔE 0.070
- Claret #680018 ΔE 0.071
- Eggplant Purple #430541 ΔE 0.073
Use #581D40 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.