#5B4574
Closest named color: Dusk (#4E5481). oklch(43.4% 0.08 304.8), rgb(91, 69, 116).
Aa
White text reads best on this color (8.24:1).
About this color
#5B4574 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.080 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.045 away. White text reads best on it, at 8.24:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.080) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.54:1 |
| White text | 8.24:1 |
Values
| HEX | #5B4574 |
| RGB | rgb(91, 69, 116) |
| HSL | hsl(268, 25%, 36%) |
| OKLCH | oklch(43.4% 0.08 304.8) |
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 #5B4574 | 8.24:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #5B4574 | 2.54:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #5B4574 text on white | 8.24:1 | AAA | Lc 88.4 | Fine for body text |
| #5B4574 text on black | 2.54:1 | Fails | Lc -13.8 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#ECE8F1
oklch(93.7% 0.013 306)
-
Step 200
200
#DDD5E7
oklch(88.5% 0.026 305.8)
-
Step 300
300
#C7BAD9
oklch(80.9% 0.045 304.4)
-
Step 400
400
#AB95C6
oklch(70.6% 0.074 305)
-
Step 500
500
#977BB8
oklch(63.2% 0.094 304.9)
-
Step 600
600
#8163A4
oklch(55.6% 0.103 304.5)
-
Step 700
700
#6D528C
oklch(49.1% 0.095 304.6)
-
Step 800
800 (this color)
#5B4574
oklch(43.4% 0.08 304.8)
-
Step 900
900
#49395C
oklch(37.7% 0.061 304.6)
-
Step 950
950
#2B2136
oklch(26.9% 0.04 305.7)
#5B4574 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) | #3A4E76 | 0.055 |
| Deuteranopia (no green cones) | #3F4F73 | 0.051 |
| Tritanopia (no blue cones) | #574C57 | 0.059 |
| Achromatopsia (no color) | #4F4F4F | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B4574
#5B4574
oklch(43.4% 0.08 304.8)
- #475824
#475824
oklch(43.3% 0.079 124.7)
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 #5B4574, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.045
- Twilight #4E518B ΔE 0.048
- Dusty Grape #545775 ΔE 0.052
- Dark Slate Blue #483D8B ΔE 0.059
- YInMn Blue #415A77 ΔE 0.068
- Blueberry #464196 ΔE 0.070
- Brownish Purple #76424E ΔE 0.078
- Denim Blue #3B5B92 ΔE 0.079
Use #5B4574 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.