#543080
Closest named color: Dark Slate Blue (#483D8B). oklch(39.6% 0.131 301.4), rgb(84, 48, 128).
Aa
White text reads best on this color (9.94:1).
About this color
#543080 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.131 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 0.039 away. White text reads best on it, at 9.94:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.11:1 |
| White text | 9.94:1 |
Values
| HEX | #543080 |
| RGB | rgb(84, 48, 128) |
| HSL | hsl(267, 45%, 35%) |
| OKLCH | oklch(39.6% 0.131 301.4) |
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 #543080 | 9.94:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #543080 | 2.11:1 | Fails | Lc 11.3 | Not readable |
| #543080 text on white | 9.94:1 | AAA | Lc 92.7 | Preferred for body text |
| #543080 text on black | 2.11:1 | Fails | Lc -9.8 | 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
#DFD1F8
oklch(88.4% 0.055 301.6)
-
Step 300
300
#CBB2F6
oklch(80.9% 0.098 301.1)
-
Step 400
400
#B287F1
oklch(70.7% 0.155 301.3)
-
Step 500
500
#A063EC
oklch(63% 0.2 301.4)
-
Step 600
600
#8C45DB
oklch(55.6% 0.217 301.2)
-
Step 700
700
#7735BE
oklch(49.1% 0.202 301.2)
-
Step 800
800
#612D9A
oklch(42.7% 0.168 301.4)
-
Step 900
900 (this color)
#543080
oklch(39.6% 0.131 301.4)
-
Step 950
950
#2E1A48
oklch(27% 0.083 301.1)
#543080 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) | #014283 | 0.102 |
| Deuteranopia (no green cones) | #17427E | 0.093 |
| Tritanopia (no blue cones) | #4B4153 | 0.099 |
| Achromatopsia (no color) | #434343 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #543080
#543080
oklch(39.6% 0.131 301.4)
- #3F4E00
#3F4E00
oklch(39.7% 0.096 121.4)
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 #543080, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.039
- Rebecca Purple #663399 ΔE 0.054
- Blueberry #464196 ΔE 0.056
- Indigo #4B0082 ΔE 0.075
- Twilight #4E518B ΔE 0.085
- Royal Purple #4B006E ΔE 0.085
- Chrysanthemum #560BAD ΔE 0.087
- Imperial Purple #480CA8 ΔE 0.089
Use #543080 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.