#543985
Closest named color: Dark Slate Blue (#483D8B). oklch(41.5% 0.123 297.1), rgb(84, 57, 133).
Aa
White text reads best on this color (9.12:1).
About this color
#543985 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.123 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.024 away. White text reads best on it, at 9.12:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.30:1 |
| White text | 9.12:1 |
Values
| HEX | #543985 |
| RGB | rgb(84, 57, 133) |
| HSL | hsl(261, 40%, 37%) |
| OKLCH | oklch(41.5% 0.123 297.1) |
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 #543985 | 9.12:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #543985 | 2.30:1 | Fails | Lc 13.2 | Not readable |
| #543985 text on white | 9.12:1 | AAA | Lc 90.7 | Preferred for body text |
| #543985 text on black | 2.30:1 | Fails | Lc -11.6 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F6
oklch(93.5% 0.021 298.2)
-
Step 200
200
#DBD4F1
oklch(88.4% 0.04 296.6)
-
Step 300
300
#C5B7EA
oklch(80.8% 0.072 297.3)
-
Step 400
400
#A891DF
oklch(70.7% 0.114 297)
-
Step 500
500
#9473D6
oklch(63% 0.147 297.4)
-
Step 600
600
#7F5AC4
oklch(55.7% 0.16 297)
-
Step 700
700
#6B49A9
oklch(49.1% 0.148 296.9)
-
Step 800
800 (this color)
#543985
oklch(41.5% 0.123 297.1)
-
Step 900
900
#48346D
oklch(37.6% 0.096 297.8)
-
Step 950
950
#2A1F40
oklch(27% 0.061 297.6)
#543985 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) | #174888 | 0.084 |
| Deuteranopia (no green cones) | #204783 | 0.078 |
| Tritanopia (no blue cones) | #494959 | 0.097 |
| Achromatopsia (no color) | #484848 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #543985
#543985
oklch(41.5% 0.123 297.1)
- #485200
#485200
oklch(41.5% 0.096 117.5)
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 #543985, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.024
- Blueberry #464196 ΔE 0.039
- Rebecca Purple #663399 ΔE 0.048
- Twilight #4E518B ΔE 0.063
- Dusk #4E5481 ΔE 0.075
- Cobalt #1E488F ΔE 0.079
- Dusk Blue #26538D ΔE 0.087
- Light Navy #155084 ΔE 0.093
Use #543985 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.