#543765
Closest named color: Dark Slate Blue (#483D8B). oklch(39.1% 0.083 312.1), rgb(84, 55, 101).
Aa
White text reads best on this color (9.94:1).
About this color
#543765 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.083 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.067 away. White text reads best on it, at 9.94:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.083) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.11:1 |
| White text | 9.94:1 |
Values
| HEX | #543765 |
| RGB | rgb(84, 55, 101) |
| HSL | hsl(278, 29%, 31%) |
| OKLCH | oklch(39.1% 0.083 312.1) |
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 #543765 | 9.94:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #543765 | 2.11:1 | Fails | Lc 11.0 | Not readable |
| #543765 text on white | 9.94:1 | AAA | Lc 92.9 | Preferred for body text |
| #543765 text on black | 2.11:1 | Fails | Lc -9.5 | 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EEE7F3
oklch(93.7% 0.018 311.6)
-
Step 200
200
#E1D3EA
oklch(88.5% 0.035 312.4)
-
Step 300
300
#CEB6DE
oklch(80.9% 0.061 311.8)
-
Step 400
400
#B58ECE
oklch(70.6% 0.1 311.7)
-
Step 500
500
#A371C1
oklch(63.1% 0.128 311.9)
-
Step 600
600
#8E58AD
oklch(55.6% 0.138 312)
-
Step 700
700
#794894
oklch(49.1% 0.127 312.3)
-
Step 800
800
#623B78
oklch(42.6% 0.106 312.2)
-
Step 900
900 (this color)
#543765
oklch(39.1% 0.083 312.1)
-
Step 950
950
#2F1E39
oklch(26.9% 0.053 312.1)
#543765 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) | #2E4167 | 0.065 |
| Deuteranopia (no green cones) | #354364 | 0.060 |
| Tritanopia (no blue cones) | #523E49 | 0.058 |
| Achromatopsia (no color) | #434343 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #543765
#543765
oklch(39.1% 0.083 312.1)
- #344E1B
#344E1B
oklch(39% 0.083 131.9)
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 #543765, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.067
- Purple Brown #673A3F ΔE 0.078
- Grape Purple #5D1451 ΔE 0.078
- Dark Grey Blue #29465B ΔE 0.082
- Dusk #4E5481 ΔE 0.084
- Blueberry #464196 ΔE 0.085
- Twilight #4E518B ΔE 0.085
- Charcoal Grey #3C4142 ΔE 0.087
Use #543765 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.