#543087
Closest named color: Dark Slate Blue (#483D8B). oklch(40.1% 0.139 299), rgb(84, 48, 135).
Aa
White text reads best on this color (9.76:1).
About this color
#543087 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.139 and its hue 299°. 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 9.76:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.14:1 |
| White text | 9.76:1 |
Values
| HEX | #543087 |
| RGB | rgb(84, 48, 135) |
| HSL | hsl(265, 48%, 36%) |
| OKLCH | oklch(40.1% 0.139 299) |
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 #543087 | 9.76:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #543087 | 2.14:1 | Fails | Lc 11.7 | Not readable |
| #543087 text on white | 9.76:1 | AAA | Lc 92.2 | Preferred for body text |
| #543087 text on black | 2.14:1 | 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
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#ECE6FC
oklch(93.6% 0.03 298.3)
-
Step 200
200
#DED1FB
oklch(88.4% 0.059 299.3)
-
Step 300
300
#CAB2FB
oklch(81% 0.104 299.2)
-
Step 400
400
#B085F9
oklch(70.6% 0.168 299.2)
-
Step 500
500
#9E61F6
oklch(63.1% 0.214 299)
-
Step 600
600
#8A40E4
oklch(55.5% 0.232 299.2)
-
Step 700
700
#7530C7
oklch(49.1% 0.216 298.8)
-
Step 800
800
#5F2AA1
oklch(42.7% 0.18 298.8)
-
Step 900
900 (this color)
#543087
oklch(40.1% 0.139 299)
-
Step 950
950
#2D194B
oklch(27% 0.089 298.7)
#543087 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) | #00448A | 0.101 |
| Deuteranopia (no green cones) | #094385 | 0.099 |
| Tritanopia (no blue cones) | #494357 | 0.105 |
| Achromatopsia (no color) | #444444 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #543087
#543087
oklch(40.1% 0.139 299)
- #434F00
#434F00
oklch(40.3% 0.095 119.2)
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 #543087, 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 0.046
- Blueberry #464196 ΔE 0.050
- Indigo #4B0082 ΔE 0.074
- Chrysanthemum #560BAD ΔE 0.077
- Imperial Purple #480CA8 ΔE 0.079
- Twilight #4E518B ΔE 0.084
- Royal Purple #4B006E ΔE 0.089
Use #543087 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.