#5B417A
Closest named color: Dark Slate Blue (#483D8B). oklch(43% 0.095 303.7), rgb(91, 65, 122).
Aa
White text reads best on this color (8.46:1).
About this color
#5B417A is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.095 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.047 away. White text reads best on it, at 8.46:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.095) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.48:1 |
| White text | 8.46:1 |
Values
| HEX | #5B417A |
| RGB | rgb(91, 65, 122) |
| HSL | hsl(267, 30%, 37%) |
| OKLCH | oklch(43% 0.095 303.7) |
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 #5B417A | 8.46:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #5B417A | 2.48:1 | Fails | Lc 15.0 | Not readable |
| #5B417A text on white | 8.46:1 | AAA | Lc 89.0 | Fine for body text |
| #5B417A text on black | 2.48:1 | Fails | Lc -13.2 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#ECE7F3
oklch(93.5% 0.017 304.8)
-
Step 200
200
#DDD5EA
oklch(88.6% 0.03 303)
-
Step 300
300
#C8B8DF
oklch(80.9% 0.057 303.8)
-
Step 400
400
#AC93CE
oklch(70.7% 0.089 303.6)
-
Step 500
500
#9877C2
oklch(63.1% 0.115 303.5)
-
Step 600
600
#835FAE
oklch(55.6% 0.124 303.7)
-
Step 700
700
#6F4E95
oklch(49.1% 0.115 303.9)
-
Step 800
800 (this color)
#5B417A
oklch(43% 0.095 303.7)
-
Step 900
900
#4A3762
oklch(37.7% 0.075 303.4)
-
Step 950
950
#2B2039
oklch(26.9% 0.047 303.6)
#5B417A 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) | #324C7C | 0.066 |
| Deuteranopia (no green cones) | #384D79 | 0.061 |
| Tritanopia (no blue cones) | #564B57 | 0.073 |
| Achromatopsia (no color) | #4D4D4D | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B417A
#5B417A
oklch(43% 0.095 303.7)
- #455812
#455812
oklch(43% 0.096 123.9)
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 #5B417A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.047
- Twilight #4E518B ΔE 0.049
- Dusk #4E5481 ΔE 0.054
- Blueberry #464196 ΔE 0.059
- Dusty Grape #545775 ΔE 0.066
- Rebecca Purple #663399 ΔE 0.066
- YInMn Blue #415A77 ΔE 0.080
- Denim Blue #3B5B92 ΔE 0.083
Use #5B417A 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.