#5B3755
Closest named color: Purple Brown (#673A3F). oklch(39.1% 0.068 333), rgb(91, 55, 85).
Aa
White text reads best on this color (9.89:1).
About this color
#5B3755 is a dark, muted purple. In OKLCH its lightness is 39%, its chroma 0.068 and its hue 333°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.048 away. White text reads best on it, at 9.89:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | muted (0.068) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.12:1 |
| White text | 9.89:1 |
Values
| HEX | #5B3755 |
| RGB | rgb(91, 55, 85) |
| HSL | hsl(310, 25%, 29%) |
| OKLCH | oklch(39.1% 0.068 333) |
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 #5B3755 | 9.89:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #5B3755 | 2.12:1 | Fails | Lc 11.1 | Not readable |
| #5B3755 text on white | 9.89:1 | AAA | Lc 92.8 | Preferred for body text |
| #5B3755 text on black | 2.12:1 | Fails | Lc -9.6 | 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
#F8F4F7
oklch(97.1% 0.006 334)
-
Step 100
100
#F0E6EE
oklch(93.5% 0.015 332.2)
-
Step 200
200
#E5D3E1
oklch(88.6% 0.027 333.3)
-
Step 300
300
#D6B5CF
oklch(81% 0.051 333.4)
-
Step 400
400
#C08EB7
oklch(70.8% 0.082 332.8)
-
Step 500
500
#AF71A5
oklch(63.1% 0.105 332.7)
-
Step 600
600
#9A5890
oklch(55.6% 0.114 332.8)
-
Step 700
700
#83487A
oklch(49% 0.105 332.9)
-
Step 800
800
#6B3B63
oklch(42.6% 0.088 333.4)
-
Step 900
900 (this color)
#5B3755
oklch(39.1% 0.068 333)
-
Step 950
950
#331E2F
oklch(26.9% 0.043 333.8)
#5B3755 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) | #364056 | 0.067 |
| Deuteranopia (no green cones) | #404554 | 0.061 |
| Tritanopia (no blue cones) | #5E3942 | 0.035 |
| Achromatopsia (no color) | #434343 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B3755
#5B3755
oklch(39.1% 0.068 333)
- #255034
#255034
oklch(39.2% 0.068 153.4)
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 #5B3755, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.048
- Brownish Purple #76424E ΔE 0.067
- Charcoal Grey #3C4142 ΔE 0.075
- Grape Purple #5D1451 ΔE 0.077
- Onyx #343A40 ΔE 0.082
- Dark Grey Blue #29465B ΔE 0.086
- Velvet #750851 ΔE 0.089
- Charcoal #264653 ΔE 0.092
Use #5B3755 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.