#543766
Closest named color: Dark Slate Blue (#483D8B). oklch(39.1% 0.084 311.4), rgb(84, 55, 102).
Aa
White text reads best on this color (9.92:1).
About this color
#543766 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.084 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.065 away. White text reads best on it, at 9.92:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.084) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.11:1 |
| White text | 9.92:1 |
Values
| HEX | #543766 |
| RGB | rgb(84, 55, 102) |
| HSL | hsl(277, 30%, 31%) |
| OKLCH | oklch(39.1% 0.084 311.4) |
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 #543766 | 9.92:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #543766 | 2.11:1 | Fails | Lc 11.1 | Not readable |
| #543766 text on white | 9.92:1 | AAA | Lc 92.9 | Preferred for body text |
| #543766 text on black | 2.11:1 | Fails | Lc -9.6 | 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 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
#CEB6DF
oklch(81% 0.062 311.2)
-
Step 400
400
#B58ECF
oklch(70.6% 0.102 311.3)
-
Step 500
500
#A371C2
oklch(63.1% 0.129 311.5)
-
Step 600
600
#8E58AE
oklch(55.6% 0.139 311.6)
-
Step 700
700
#794796
oklch(49.1% 0.131 311.7)
-
Step 800
800
#623B7A
oklch(42.7% 0.109 311.2)
-
Step 900
900 (this color)
#543766
oklch(39.1% 0.084 311.4)
-
Step 950
950
#2F1E39
oklch(26.9% 0.053 312.1)
#543766 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) | #2D4168 | 0.067 |
| Deuteranopia (no green cones) | #354365 | 0.060 |
| Tritanopia (no blue cones) | #523E49 | 0.059 |
| Achromatopsia (no color) | #434343 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #543766
#543766
oklch(39.1% 0.084 311.4)
- #354E1A
#354E1A
oklch(39.1% 0.083 131)
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 #543766, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.065
- Grape Purple #5D1451 ΔE 0.079
- Purple Brown #673A3F ΔE 0.079
- Dark Grey Blue #29465B ΔE 0.083
- Blueberry #464196 ΔE 0.083
- Dusk #4E5481 ΔE 0.084
- Twilight #4E518B ΔE 0.084
- Charcoal Grey #3C4142 ΔE 0.088
Use #543766 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.