#5B436D
Closest named color: Dusk (#4E5481). oklch(42.6% 0.073 309.8), rgb(91, 67, 109).
Aa
White text reads best on this color (8.50:1).
About this color
#5B436D is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.073 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.053 away. White text reads best on it, at 8.50:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.073) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.46:1 |
| White text | 8.50:1 |
Values
| HEX | #5B436D |
| RGB | rgb(91, 67, 109) |
| HSL | hsl(274, 24%, 35%) |
| OKLCH | oklch(42.6% 0.073 309.8) |
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 #5B436D | 8.50:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #5B436D | 2.46:1 | Fails | Lc 14.8 | Not readable |
| #5B436D text on white | 8.50:1 | AAA | Lc 89.2 | Fine for body text |
| #5B436D text on black | 2.46:1 | Fails | Lc -13.0 | 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
#F6F4F8
oklch(97% 0.006 308.4)
-
Step 100
100
#ECE8F0
oklch(93.6% 0.011 308.3)
-
Step 200
200
#DED5E5
oklch(88.5% 0.024 310.7)
-
Step 300
300
#C9B9D6
oklch(80.8% 0.044 310)
-
Step 400
400
#AE95C1
oklch(70.7% 0.069 310.3)
-
Step 500
500
#9A7BB2
oklch(63.3% 0.088 309.7)
-
Step 600
600
#84639D
oklch(55.6% 0.095 309.7)
-
Step 700
700
#705286
oklch(49.1% 0.088 309.9)
-
Step 800
800 (this color)
#5B436D
oklch(42.6% 0.073 309.8)
-
Step 900
900
#4B3958
oklch(37.7% 0.056 310.4)
-
Step 950
950
#2C2134
oklch(26.9% 0.038 310.4)
#5B436D 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) | #3B4B6F | 0.054 |
| Deuteranopia (no green cones) | #404D6C | 0.050 |
| Tritanopia (no blue cones) | #594953 | 0.052 |
| Achromatopsia (no color) | #4D4D4D | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B436D
#5B436D
oklch(42.6% 0.073 309.8)
- #41572A
#41572A
oklch(42.7% 0.074 130.4)
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 #5B436D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.053
- Dusty Grape #545775 ΔE 0.056
- Twilight #4E518B ΔE 0.058
- Dark Slate Blue #483D8B ΔE 0.066
- Brownish Purple #76424E ΔE 0.071
- YInMn Blue #415A77 ΔE 0.072
- Purple Brown #673A3F ΔE 0.076
- Blueberry #464196 ΔE 0.078
Use #5B436D 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.