#543280
Closest named color: Dark Slate Blue (#483D8B). oklch(39.9% 0.127 300.9), rgb(84, 50, 128).
Aa
White text reads best on this color (9.79:1).
About this color
#543280 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.127 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.036 away. White text reads best on it, at 9.79:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.14:1 |
| White text | 9.79:1 |
Values
| HEX | #543280 |
| RGB | rgb(84, 50, 128) |
| HSL | hsl(266, 44%, 35%) |
| OKLCH | oklch(39.9% 0.127 300.9) |
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 #543280 | 9.79:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #543280 | 2.14:1 | Fails | Lc 11.6 | Not readable |
| #543280 text on white | 9.79:1 | AAA | Lc 92.4 | Preferred for body text |
| #543280 text on black | 2.14:1 | Fails | Lc -10.1 | 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
#F7F4FD
oklch(97.2% 0.012 301.3)
-
Step 100
100
#EDE6FA
oklch(93.6% 0.028 301.7)
-
Step 200
200
#DFD2F7
oklch(88.6% 0.052 301.3)
-
Step 300
300
#CBB3F5
oklch(81% 0.095 301)
-
Step 400
400
#B188F0
oklch(70.7% 0.152 300.8)
-
Step 500
500
#9F65EB
oklch(63.1% 0.196 300.9)
-
Step 600
600
#8B47D9
oklch(55.6% 0.213 301)
-
Step 700
700
#7637BC
oklch(49.1% 0.197 301)
-
Step 800
800
#602F98
oklch(42.7% 0.163 301.1)
-
Step 900
900 (this color)
#543280
oklch(39.9% 0.127 300.9)
-
Step 950
950
#2E1B47
oklch(27.2% 0.08 301.2)
#543280 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) | #094383 | 0.097 |
| Deuteranopia (no green cones) | #1B437E | 0.088 |
| Tritanopia (no blue cones) | #4B4254 | 0.096 |
| Achromatopsia (no color) | #444444 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #543280
#543280
oklch(39.9% 0.127 300.9)
- #404F00
#404F00
oklch(40% 0.096 121.3)
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 #543280, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.036
- Rebecca Purple #663399 ΔE 0.053
- Blueberry #464196 ΔE 0.053
- Indigo #4B0082 ΔE 0.080
- Twilight #4E518B ΔE 0.080
- Cobalt #1E488F ΔE 0.089
- Royal Purple #4B006E ΔE 0.090
- Chrysanthemum #560BAD ΔE 0.090
Use #543280 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.