#581B3B
Closest named color: Grape Purple (#5D1451). oklch(32.9% 0.097 351.3), rgb(88, 27, 59).
Aa
White text reads best on this color (12.84:1).
About this color
#581B3B is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.097 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.044 away. White text reads best on it, at 12.84:1.
| Hue family | Reds |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.097) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.63:1 |
| White text | 12.84:1 |
Values
| HEX | #581B3B |
| RGB | rgb(88, 27, 59) |
| HSL | hsl(329, 53%, 23%) |
| OKLCH | oklch(32.9% 0.097 351.3) |
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 #581B3B | 12.84:1 | AAA | Lc -101.8 | Preferred for body text |
| Black text on #581B3B | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #581B3B text on white | 12.84:1 | AAA | Lc 98.4 | Preferred for body text |
| #581B3B text on black | 1.63:1 | 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
#FBF3F6
oklch(97.1% 0.009 352.4)
-
Step 100
100
#F6E4EB
oklch(93.5% 0.022 351.9)
-
Step 200
200
#EFCFDC
oklch(88.5% 0.04 351.5)
-
Step 300
300
#E6AEC6
oklch(80.9% 0.072 351.3)
-
Step 400
400
#D881A9
oklch(70.7% 0.117 351.5)
-
Step 500
500
#CA5F94
oklch(63.1% 0.148 351.2)
-
Step 600
600
#B6427E
oklch(55.7% 0.162 351.6)
-
Step 700
700
#9C336B
oklch(49.2% 0.151 351.1)
-
Step 800
800
#7F2B57
oklch(42.7% 0.126 351.3)
-
Step 900
900 (this color)
#581B3B
oklch(32.9% 0.097 351.3)
-
Step 950
950
#3C182A
oklch(26.9% 0.062 350.8)
#581B3B 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) | #242B3C | 0.107 |
| Deuteranopia (no green cones) | #35363A | 0.096 |
| Tritanopia (no blue cones) | #5F1828 | 0.036 |
| Achromatopsia (no color) | #323232 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #581B3B
#581B3B
oklch(32.9% 0.097 351.3)
- #004031
#004031
oklch(33.1% 0.065 171)
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 #581B3B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.044
- Burgundy #610023 ΔE 0.048
- Merlot #730039 ΔE 0.060
- Claret #680018 ΔE 0.064
- Deep Violet #490648 ΔE 0.064
- Plum Purple #4E0550 ΔE 0.066
- Eggplant Purple #430541 ΔE 0.072
- Velvet #750851 ΔE 0.074
Use #581B3B 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.