#513155
Closest named color: Grape Purple (#5D1451). oklch(36.7% 0.072 322.9), rgb(81, 49, 85).
Aa
White text reads best on this color (10.93:1).
About this color
#513155 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.072 and its hue 323°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.064 away. White text reads best on it, at 10.93:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.072) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.92:1 |
| White text | 10.93:1 |
Values
| HEX | #513155 |
| RGB | rgb(81, 49, 85) |
| HSL | hsl(293, 27%, 26%) |
| OKLCH | oklch(36.7% 0.072 322.9) |
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 #513155 | 10.93:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #513155 | 1.92:1 | Fails | Lc 8.7 | Not readable |
| #513155 text on white | 10.93:1 | AAA | Lc 95.2 | Preferred for body text |
| #513155 text on black | 1.92:1 | Fails | Lc -7.5 | 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
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#EFE7F0
oklch(93.7% 0.015 322.3)
-
Step 200
200
#E3D3E5
oklch(88.5% 0.03 322.4)
-
Step 300
300
#D2B5D5
oklch(80.8% 0.055 323.1)
-
Step 400
400
#BB8EC0
oklch(70.6% 0.087 323.1)
-
Step 500
500
#AA72B0
oklch(63.2% 0.11 323.4)
-
Step 600
600
#94599C
oklch(55.6% 0.12 322.6)
-
Step 700
700
#7E4985
oklch(49.1% 0.111 322.8)
-
Step 800
800
#673C6C
oklch(42.7% 0.093 323.2)
-
Step 900
900 (this color)
#513155
oklch(36.7% 0.072 322.9)
-
Step 950
950
#311E33
oklch(26.9% 0.046 323.4)
#513155 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) | #2D3A56 | 0.065 |
| Deuteranopia (no green cones) | #353E54 | 0.060 |
| Tritanopia (no blue cones) | #52353F | 0.044 |
| Achromatopsia (no color) | #3D3D3D | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513155
#513155
oklch(36.7% 0.072 322.9)
- #264924
#264924
oklch(36.8% 0.074 142.8)
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 #513155, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.064
- Purple Brown #673A3F ΔE 0.070
- Onyx #343A40 ΔE 0.073
- Charcoal Grey #3C4142 ΔE 0.075
- Space Cadet #2B2D42 ΔE 0.081
- Gunmetal #293241 ΔE 0.082
- Dark Grey Blue #29465B ΔE 0.083
- Prussian Blue #1D3557 ΔE 0.086
Use #513155 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.