#513151
Closest named color: Grape Purple (#5D1451). oklch(36.5% 0.068 326.9), rgb(81, 49, 81).
Aa
White text reads best on this color (11.00:1).
About this color
#513151 is a dark, muted purple. In OKLCH its lightness is 36%, its chroma 0.068 and its hue 327°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.065 away. White text reads best on it, at 11.00:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | muted (0.068) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.90:1 |
| White text | 11.00:1 |
Values
| HEX | #513151 |
| RGB | rgb(81, 49, 81) |
| HSL | hsl(300, 25%, 25%) |
| OKLCH | oklch(36.5% 0.068 326.9) |
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 #513151 | 11.00:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #513151 | 1.90:1 | Fails | Lc 8.6 | Not readable |
| #513151 text on white | 11.00:1 | AAA | Lc 95.3 | Preferred for body text |
| #513151 text on black | 1.90:1 | Fails | Lc -7.3 | 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
#EFE7EF
oklch(93.7% 0.014 325.7)
-
Step 200
200
#E4D3E3
oklch(88.5% 0.028 327.6)
-
Step 300
300
#D3B6D2
oklch(81% 0.05 327.1)
-
Step 400
400
#BC8FBB
oklch(70.7% 0.081 327.1)
-
Step 500
500
#AB72AA
oklch(63.1% 0.105 327.3)
-
Step 600
600
#955A96
oklch(55.6% 0.113 326.4)
-
Step 700
700
#7F4A80
oklch(49.1% 0.104 326.4)
-
Step 800
800
#683D68
oklch(42.8% 0.087 327)
-
Step 900
900 (this color)
#513151
oklch(36.5% 0.068 326.9)
-
Step 950
950
#311F31
oklch(27% 0.041 326.6)
#513151 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) | #2F3A52 | 0.063 |
| Deuteranopia (no green cones) | #373E50 | 0.058 |
| Tritanopia (no blue cones) | #53343D | 0.039 |
| Achromatopsia (no color) | #3C3C3C | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513151
#513151
oklch(36.5% 0.068 326.9)
- #244829
#244829
oklch(36.5% 0.067 147.2)
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 #513151, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.065
- Purple Brown #673A3F ΔE 0.066
- Onyx #343A40 ΔE 0.069
- Charcoal Grey #3C4142 ΔE 0.071
- Space Cadet #2B2D42 ΔE 0.078
- Gunmetal #293241 ΔE 0.079
- Dark Grey Blue #29465B ΔE 0.083
- Dark Blue Grey #1F3B4D ΔE 0.085
Use #513151 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.