#542E8A
Closest named color: Dark Slate Blue (#483D8B). oklch(40.1% 0.146 298.6), rgb(84, 46, 138).
Aa
White text reads best on this color (9.83:1).
About this color
#542E8A is a dark, vivid purple. In OKLCH its lightness is 40%, its chroma 0.146 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 0.039 away. White text reads best on it, at 9.83:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.13:1 |
| White text | 9.83:1 |
Values
| HEX | #542E8A |
| RGB | rgb(84, 46, 138) |
| HSL | hsl(265, 50%, 36%) |
| OKLCH | oklch(40.1% 0.146 298.6) |
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 #542E8A | 9.83:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #542E8A | 2.13:1 | Fails | Lc 11.6 | Not readable |
| #542E8A text on white | 9.83:1 | AAA | Lc 92.3 | Preferred for body text |
| #542E8A text on black | 2.13:1 | 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
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#ECE6FD
oklch(93.6% 0.031 297.7)
-
Step 200
200
#DED1FD
oklch(88.5% 0.061 298.7)
-
Step 300
300
#CAB1FE
oklch(80.9% 0.11 298.8)
-
Step 400
400
#B084FE
oklch(70.7% 0.176 298.4)
-
Step 500
500
#9E5EFB
oklch(63.1% 0.224 298.5)
-
Step 600
600
#8A3CEA
oklch(55.6% 0.243 298.4)
-
Step 700
700
#762BCC
oklch(49.2% 0.226 298.5)
-
Step 800
800
#6027A5
oklch(42.8% 0.187 298.6)
-
Step 900
900 (this color)
#542E8A
oklch(40.1% 0.146 298.6)
-
Step 950
950
#2D184C
oklch(26.9% 0.092 298.6)
#542E8A 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) | #00438D | 0.102 |
| Deuteranopia (no green cones) | #004288 | 0.103 |
| Tritanopia (no blue cones) | #474358 | 0.111 |
| Achromatopsia (no color) | #434343 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #542E8A
#542E8A
oklch(40.1% 0.146 298.6)
- #434E00
#434E00
oklch(40% 0.094 118.6)
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 #542E8A, 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 0.044
- Blueberry #464196 ΔE 0.051
- Chrysanthemum #560BAD ΔE 0.070
- Indigo #4B0082 ΔE 0.071
- Imperial Purple #480CA8 ΔE 0.073
- Twilight #4E518B ΔE 0.088
- Royal Purple #4B006E ΔE 0.088
Use #542E8A 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.