#5B3756
Closest named color: Purple Brown (#673A3F). oklch(39.2% 0.069 331.9), rgb(91, 55, 86).
Aa
White text reads best on this color (9.87:1).
About this color
#5B3756 is a dark, muted purple. In OKLCH its lightness is 39%, its chroma 0.069 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 0.049 away. White text reads best on it, at 9.87:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | muted (0.069) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.12:1 |
| White text | 9.87:1 |
Values
| HEX | #5B3756 |
| RGB | rgb(91, 55, 86) |
| HSL | hsl(308, 25%, 29%) |
| OKLCH | oklch(39.2% 0.069 331.9) |
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 #5B3756 | 9.87:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #5B3756 | 2.12:1 | Fails | Lc 11.2 | Not readable |
| #5B3756 text on white | 9.87:1 | AAA | Lc 92.8 | Preferred for body text |
| #5B3756 text on black | 2.12:1 | Fails | Lc -9.7 | 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
#E5D3E2
oklch(88.6% 0.028 331.2)
-
Step 300
300
#D5B5D0
oklch(80.9% 0.052 331.3)
-
Step 400
400
#C08EB8
oklch(70.8% 0.083 332.1)
-
Step 500
500
#AF71A6
oklch(63.2% 0.106 332.1)
-
Step 600
600
#9A5891
oklch(55.6% 0.115 332.1)
-
Step 700
700
#83487C
oklch(49.1% 0.107 331.5)
-
Step 800
800
#6B3B64
oklch(42.7% 0.089 332.6)
-
Step 900
900 (this color)
#5B3756
oklch(39.2% 0.069 331.9)
-
Step 950
950
#331E30
oklch(27% 0.044 331.9)
#5B3756 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) | #364057 | 0.067 |
| Deuteranopia (no green cones) | #3F4555 | 0.062 |
| Tritanopia (no blue cones) | #5E3942 | 0.037 |
| Achromatopsia (no color) | #434343 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B3756
#5B3756
oklch(39.2% 0.069 331.9)
- #265033
#265033
oklch(39.2% 0.068 152.1)
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 #5B3756, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.049
- Brownish Purple #76424E ΔE 0.068
- Charcoal Grey #3C4142 ΔE 0.076
- Grape Purple #5D1451 ΔE 0.077
- Onyx #343A40 ΔE 0.083
- Dark Grey Blue #29465B ΔE 0.087
- Velvet #750851 ΔE 0.089
- Dusty Grape #545775 ΔE 0.092
Use #5B3756 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.