#543676
Closest named color: Dark Slate Blue (#483D8B). oklch(39.9% 0.108 303.5), rgb(84, 54, 118).
Aa
White text reads best on this color (9.69:1).
About this color
#543676 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.108 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 0.042 away. White text reads best on it, at 9.69:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.108) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.16:1 |
| White text | 9.69:1 |
Values
| HEX | #543676 |
| RGB | rgb(84, 54, 118) |
| HSL | hsl(268, 37%, 34%) |
| OKLCH | oklch(39.9% 0.108 303.5) |
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 #543676 | 9.69:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #543676 | 2.16:1 | Fails | Lc 11.7 | Not readable |
| #543676 text on white | 9.69:1 | AAA | Lc 92.2 | Preferred for body text |
| #543676 text on black | 2.16:1 | Fails | Lc -10.2 | 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 900.
-
Step 50
50
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EDE6F7
oklch(93.5% 0.024 304.5)
-
Step 200
200
#DFD2F2
oklch(88.4% 0.046 303.9)
-
Step 300
300
#CBB4EC
oklch(80.8% 0.081 303.4)
-
Step 400
400
#B28BE2
oklch(70.7% 0.13 303.9)
-
Step 500
500
#9F6CDA
oklch(63.1% 0.165 303.4)
-
Step 600
600
#8A51C7
oklch(55.6% 0.179 303.3)
-
Step 700
700
#7640AC
oklch(49.1% 0.167 303.9)
-
Step 800
800
#60368B
oklch(42.7% 0.138 303.9)
-
Step 900
900 (this color)
#543676
oklch(39.9% 0.108 303.5)
-
Step 950
950
#2E1D41
oklch(27.1% 0.067 304.1)
#543676 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) | #214478 | 0.080 |
| Deuteranopia (no green cones) | #2A4474 | 0.073 |
| Tritanopia (no blue cones) | #4E4250 | 0.081 |
| Achromatopsia (no color) | #444444 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #543676
#543676
oklch(39.9% 0.108 303.5)
- #3D5000
#3D5000
oklch(40% 0.099 123.8)
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 #543676, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.042
- Blueberry #464196 ΔE 0.061
- Rebecca Purple #663399 ΔE 0.067
- Twilight #4E518B ΔE 0.075
- Dusk #4E5481 ΔE 0.081
- Grape Purple #5D1451 ΔE 0.089
- Cobalt #1E488F ΔE 0.090
- Indigo #4B0082 ΔE 0.094
Use #543676 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.