#543071
Closest named color: Dark Slate Blue (#483D8B). oklch(38.6% 0.111 307.6), rgb(84, 48, 113).
Aa
White text reads best on this color (10.30:1).
About this color
#543071 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.111 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.054 away. White text reads best on it, at 10.30:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.03:1 |
| White text | 10.30:1 |
Values
| HEX | #543071 |
| RGB | rgb(84, 48, 113) |
| HSL | hsl(273, 40%, 32%) |
| OKLCH | oklch(38.6% 0.111 307.6) |
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 #543071 | 10.30:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #543071 | 2.03:1 | Fails | Lc 10.3 | Not readable |
| #543071 text on white | 10.30:1 | AAA | Lc 93.6 | Preferred for body text |
| #543071 text on black | 2.03:1 | Fails | Lc -8.9 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EEE6F7
oklch(93.6% 0.024 307)
-
Step 200
200
#E1D2F2
oklch(88.6% 0.046 306.6)
-
Step 300
300
#CFB3EB
oklch(80.9% 0.083 307.3)
-
Step 400
400
#B789E1
oklch(70.7% 0.133 307.3)
-
Step 500
500
#A668D8
oklch(63.1% 0.171 307.8)
-
Step 600
600
#914CC5
oklch(55.6% 0.186 307.7)
-
Step 700
700
#7B3CAA
oklch(49% 0.172 307.6)
-
Step 800
800
#64338A
oklch(42.7% 0.142 307.4)
-
Step 900
900 (this color)
#543071
oklch(38.6% 0.111 307.6)
-
Step 950
950
#301B41
oklch(27% 0.072 307.8)
#543071 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) | #1B3F73 | 0.090 |
| Deuteranopia (no green cones) | #27416F | 0.082 |
| Tritanopia (no blue cones) | #503C4B | 0.081 |
| Achromatopsia (no color) | #404040 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #543071
#543071
oklch(38.6% 0.111 307.6)
- #354D00
#354D00
oklch(38.6% 0.1 127.3)
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 #543071, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.054
- Blueberry #464196 ΔE 0.073
- Rebecca Purple #663399 ΔE 0.074
- Grape Purple #5D1451 ΔE 0.074
- Royal Purple #4B006E ΔE 0.083
- Indigo #4B0082 ΔE 0.084
- Twilight #4E518B ΔE 0.091
- Rich Purple #720058 ΔE 0.093
Use #543071 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.