#5B374E
Closest named color: Purple Brown (#673A3F). oklch(38.8% 0.061 341.6), rgb(91, 55, 78).
Aa
White text reads best on this color (9.99:1).
About this color
#5B374E is a dark, muted purple. In OKLCH its lightness is 39%, its chroma 0.061 and its hue 342°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.038 away. White text reads best on it, at 9.99:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | muted (0.061) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.10:1 |
| White text | 9.99:1 |
Values
| HEX | #5B374E |
| RGB | rgb(91, 55, 78) |
| HSL | hsl(322, 25%, 29%) |
| OKLCH | oklch(38.8% 0.061 341.6) |
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 #5B374E | 9.99:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #5B374E | 2.10:1 | Fails | Lc 10.9 | Not readable |
| #5B374E text on white | 9.99:1 | AAA | Lc 93.1 | Preferred for body text |
| #5B374E text on black | 2.10:1 | Fails | Lc -9.4 | 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
#F1E6EC
oklch(93.5% 0.014 343.2)
-
Step 200
200
#E6D3DE
oklch(88.6% 0.026 341.9)
-
Step 300
300
#D6B5C9
oklch(80.8% 0.046 341.2)
-
Step 400
400
#C18FAE
oklch(70.7% 0.073 341.5)
-
Step 500
500
#B1729A
oklch(63.1% 0.095 341.6)
-
Step 600
600
#9C5A84
oklch(55.7% 0.102 342.2)
-
Step 700
700
#854A70
oklch(49.2% 0.094 342)
-
Step 800
800
#6C3D5B
oklch(42.8% 0.078 342.1)
-
Step 900
900 (this color)
#5B374E
oklch(38.8% 0.061 341.6)
-
Step 950
950
#341F2C
oklch(27.1% 0.039 342.3)
#5B374E 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) | #393F4F | 0.063 |
| Deuteranopia (no green cones) | #42444D | 0.057 |
| Tritanopia (no blue cones) | #5F373F | 0.027 |
| Achromatopsia (no color) | #424242 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B374E
#5B374E
oklch(38.8% 0.061 341.6)
- #224F3A
#224F3A
oklch(38.9% 0.062 161.3)
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 #5B374E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.038
- Brownish Purple #76424E ΔE 0.065
- Charcoal Grey #3C4142 ΔE 0.068
- Onyx #343A40 ΔE 0.077
- Grape Purple #5D1451 ΔE 0.081
- Dark Grey Blue #29465B ΔE 0.086
- Charcoal #264653 ΔE 0.090
- Velvet #750851 ΔE 0.092
Use #5B374E 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.