#5B3556
Closest named color: Purple Brown (#673A3F). oklch(38.8% 0.073 331.8), rgb(91, 53, 86).
Aa
White text reads best on this color (10.05:1).
About this color
#5B3556 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.073 and its hue 332°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.052 away. White text reads best on it, at 10.05:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.073) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.08:1 |
| White text | 10.05:1 |
Values
| HEX | #5B3556 |
| RGB | rgb(91, 53, 86) |
| HSL | hsl(308, 26%, 28%) |
| OKLCH | oklch(38.8% 0.073 331.8) |
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 #5B3556 | 10.05:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #5B3556 | 2.08:1 | Fails | Lc 10.8 | Not readable |
| #5B3556 text on white | 10.05:1 | AAA | Lc 93.2 | Preferred for body text |
| #5B3556 text on black | 2.08:1 | Fails | Lc -9.3 | 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
#F9F4F8
oklch(97.2% 0.007 332.1)
-
Step 100
100
#F1E6EF
oklch(93.6% 0.017 331.6)
-
Step 200
200
#E6D2E2
oklch(88.5% 0.031 332.5)
-
Step 300
300
#D6B4D1
oklch(80.8% 0.055 331)
-
Step 400
400
#C18CB9
oklch(70.6% 0.088 331.8)
-
Step 500
500
#B16FA8
oklch(63.1% 0.113 331.8)
-
Step 600
600
#9C5693
oklch(55.6% 0.122 332)
-
Step 700
700
#85467D
oklch(49.1% 0.113 332)
-
Step 800
800
#6C3A66
oklch(42.7% 0.094 331.6)
-
Step 900
900 (this color)
#5B3556
oklch(38.8% 0.073 331.8)
-
Step 950
950
#341E31
oklch(27.2% 0.046 331.7)
#5B3556 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) | #343F57 | 0.071 |
| Deuteranopia (no green cones) | #3E4455 | 0.065 |
| Tritanopia (no blue cones) | #5E3741 | 0.039 |
| Achromatopsia (no color) | #424242 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B3556
#5B3556
oklch(38.8% 0.073 331.8)
- #225030
#225030
oklch(38.9% 0.074 151.4)
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 #5B3556, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.052
- Grape Purple #5D1451 ΔE 0.071
- Brownish Purple #76424E ΔE 0.072
- Charcoal Grey #3C4142 ΔE 0.079
- Onyx #343A40 ΔE 0.085
- Velvet #750851 ΔE 0.085
- Dark Grey Blue #29465B ΔE 0.089
- Rich Purple #720058 ΔE 0.091
Use #5B3556 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.