#5B445B
Closest named color: Purple Brown (#673A3F). oklch(42% 0.048 326.4), rgb(91, 68, 91).
Aa
White text reads best on this color (8.66:1).
About this color
#5B445B is a dark, muted purple. In OKLCH its lightness is 42%, its chroma 0.048 and its hue 326°. 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 8.66:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | muted (0.048) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.42:1 |
| White text | 8.66:1 |
Values
| HEX | #5B445B |
| RGB | rgb(91, 68, 91) |
| HSL | hsl(300, 14%, 31%) |
| OKLCH | oklch(42% 0.048 326.4) |
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 #5B445B | 8.66:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #5B445B | 2.42:1 | Fails | Lc 14.3 | Not readable |
| #5B445B text on white | 8.66:1 | AAA | Lc 89.7 | Fine for body text |
| #5B445B text on black | 2.42:1 | Fails | Lc -12.5 | 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 800.
-
Step 50
50
#F7F5F7
oklch(97.2% 0.003 325.6)
-
Step 100
100
#EDE8ED
oklch(93.6% 0.009 325.6)
-
Step 200
200
#DFD6DF
oklch(88.6% 0.016 325.7)
-
Step 300
300
#CBBBCA
oklch(81% 0.027 327.7)
-
Step 400
400
#B097B0
oklch(70.7% 0.046 326)
-
Step 500
500
#9C7E9C
oklch(63.1% 0.056 326.2)
-
Step 600
600
#876787
oklch(55.7% 0.062 326.4)
-
Step 700
700
#725572
oklch(49% 0.058 326.4)
-
Step 800
800 (this color)
#5B445B
oklch(42% 0.048 326.4)
-
Step 900
900
#4C3B4C
oklch(37.7% 0.036 326.3)
-
Step 950
950
#2D222D
oklch(26.9% 0.026 326.3)
#5B445B 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) | #434A5C | 0.042 |
| Deuteranopia (no green cones) | #484C5A | 0.039 |
| Tritanopia (no blue cones) | #5C464C | 0.028 |
| Achromatopsia (no color) | #4B4B4B | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B445B
#5B445B
oklch(42% 0.048 326.4)
- #3C543E
#3C543E
oklch(41.9% 0.047 146.8)
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 #5B445B, 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 0.054
- Dusty Grape #545775 ΔE 0.060
- Dusk #4E5481 ΔE 0.069
- Charcoal Grey #3C4142 ΔE 0.071
- YInMn Blue #415A77 ΔE 0.074
- Dark Grey Blue #29465B ΔE 0.077
- Dark Slate Gray #2F4F4F ΔE 0.080
Use #5B445B 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.