#5B3151
Closest named color: Purple Brown (#673A3F). oklch(37.8% 0.076 336.5), rgb(91, 49, 81).
Aa
White text reads best on this color (10.48:1).
About this color
#5B3151 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.076 and its hue 336°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.053 away. White text reads best on it, at 10.48:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.076) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.00:1 |
| White text | 10.48:1 |
Values
| HEX | #5B3151 |
| RGB | rgb(91, 49, 81) |
| HSL | hsl(314, 30%, 27%) |
| OKLCH | oklch(37.8% 0.076 336.5) |
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 #5B3151 | 10.48:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #5B3151 | 2.00:1 | Fails | Lc 9.8 | Not readable |
| #5B3151 text on white | 10.48:1 | AAA | Lc 94.1 | Preferred for body text |
| #5B3151 text on black | 2.00:1 | Fails | Lc -8.4 | 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
#F9F4F7
oklch(97.2% 0.007 340.4)
-
Step 100
100
#F2E6EE
oklch(93.7% 0.017 337.6)
-
Step 200
200
#E8D2E1
oklch(88.6% 0.031 337.3)
-
Step 300
300
#D9B3CF
oklch(80.9% 0.057 335.6)
-
Step 400
400
#C58BB6
oklch(70.7% 0.091 336.3)
-
Step 500
500
#B66CA4
oklch(63.1% 0.119 336.5)
-
Step 600
600
#A1538F
oklch(55.6% 0.128 336.6)
-
Step 700
700
#894379
oklch(49% 0.118 336.6)
-
Step 800
800
#703863
oklch(42.8% 0.098 336.6)
-
Step 900
900 (this color)
#5B3151
oklch(37.8% 0.076 336.5)
-
Step 950
950
#351D2F
oklch(27% 0.047 336.6)
#5B3151 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) | #323B52 | 0.076 |
| Deuteranopia (no green cones) | #3D4250 | 0.070 |
| Tritanopia (no blue cones) | #5F333D | 0.038 |
| Achromatopsia (no color) | #3F3F3F | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B3151
#5B3151
oklch(37.8% 0.076 336.5)
- #174E31
#174E31
oklch(37.9% 0.076 156.5)
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 #5B3151, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.053
- Grape Purple #5D1451 ΔE 0.063
- Brownish Purple #76424E ΔE 0.077
- Velvet #750851 ΔE 0.079
- Charcoal Grey #3C4142 ΔE 0.081
- Onyx #343A40 ΔE 0.084
- Merlot #730039 ΔE 0.084
- Rich Purple #720058 ΔE 0.085
Use #5B3151 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.