#542C85
Closest named color: Dark Slate Blue (#483D8B). oklch(39.4% 0.143 300.6), rgb(84, 44, 133).
Aa
White text reads best on this color (10.11:1).
About this color
#542C85 is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.143 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 0.044 away. White text reads best on it, at 10.11:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.07:1 |
| White text | 10.11:1 |
Values
| HEX | #542C85 |
| RGB | rgb(84, 44, 133) |
| HSL | hsl(267, 50%, 35%) |
| OKLCH | oklch(39.4% 0.143 300.6) |
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 #542C85 | 10.11:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #542C85 | 2.07:1 | Fails | Lc 11.0 | Not readable |
| #542C85 text on white | 10.11:1 | AAA | Lc 93.0 | Preferred for body text |
| #542C85 text on black | 2.07:1 | Fails | Lc -9.5 | 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
#F7F3FE
oklch(97% 0.015 302.6)
-
Step 100
100
#EDE6FC
oklch(93.7% 0.03 300.3)
-
Step 200
200
#DFD1FB
oklch(88.5% 0.059 300.4)
-
Step 300
300
#CCB1FB
oklch(81% 0.106 300.8)
-
Step 400
400
#B384FA
oklch(70.8% 0.171 300.5)
-
Step 500
500
#A15EF6
oklch(63% 0.218 300.5)
-
Step 600
600
#8E3CE5
oklch(55.6% 0.238 300.8)
-
Step 700
700
#792CC7
oklch(49.2% 0.221 300.8)
-
Step 800
800
#6227A1
oklch(42.7% 0.183 300.7)
-
Step 900
900 (this color)
#542C85
oklch(39.4% 0.143 300.6)
-
Step 950
950
#2E184B
oklch(26.9% 0.091 300.2)
#542C85 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) | #004188 | 0.105 |
| Deuteranopia (no green cones) | #034183 | 0.105 |
| Tritanopia (no blue cones) | #494054 | 0.108 |
| Achromatopsia (no color) | #424242 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #542C85
#542C85
oklch(39.4% 0.143 300.6)
- #3F4D00
#3F4D00
oklch(39.4% 0.094 120.9)
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 #542C85, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.044
- Rebecca Purple #663399 ΔE 0.050
- Blueberry #464196 ΔE 0.058
- Indigo #4B0082 ΔE 0.066
- Chrysanthemum #560BAD ΔE 0.075
- Imperial Purple #480CA8 ΔE 0.077
- Royal Purple #4B006E ΔE 0.080
- Twilight #4E518B ΔE 0.092
Use #542C85 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.