#542E7B
Closest named color: Dark Slate Blue (#483D8B). oklch(38.9% 0.127 303.8), rgb(84, 46, 123).
Aa
White text reads best on this color (10.22:1).
About this color
#542E7B is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.127 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.046 away. White text reads best on it, at 10.22:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.05:1 |
| White text | 10.22:1 |
Values
| HEX | #542E7B |
| RGB | rgb(84, 46, 123) |
| HSL | hsl(270, 46%, 33%) |
| OKLCH | oklch(38.9% 0.127 303.8) |
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 #542E7B | 10.22:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #542E7B | 2.05:1 | Fails | Lc 10.6 | Not readable |
| #542E7B text on white | 10.22:1 | AAA | Lc 93.3 | Preferred for body text |
| #542E7B text on black | 2.05:1 | Fails | Lc -9.2 | 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
#F7F3FD
oklch(97% 0.014 304.1)
-
Step 100
100
#EEE6F9
oklch(93.7% 0.027 304.8)
-
Step 200
200
#E0D1F6
oklch(88.4% 0.053 303.7)
-
Step 300
300
#CEB2F3
oklch(81% 0.095 304.1)
-
Step 400
400
#B586ED
oklch(70.6% 0.152 303.8)
-
Step 500
500
#A463E7
oklch(63.1% 0.195 304.1)
-
Step 600
600
#8F45D5
oklch(55.5% 0.212 303.8)
-
Step 700
700
#7A35B9
oklch(49.1% 0.197 303.7)
-
Step 800
800
#632D96
oklch(42.6% 0.164 303.7)
-
Step 900
900 (this color)
#542E7B
oklch(38.9% 0.127 303.8)
-
Step 950
950
#2F1A46
oklch(27% 0.081 303.5)
#542E7B 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) | #06407D | 0.103 |
| Deuteranopia (no green cones) | #1B4179 | 0.093 |
| Tritanopia (no blue cones) | #4D3E50 | 0.094 |
| Achromatopsia (no color) | #414141 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #542E7B
#542E7B
oklch(38.9% 0.127 303.8)
- #3A4D00
#3A4D00
oklch(39% 0.097 124.2)
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 #542E7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.046
- Rebecca Purple #663399 ΔE 0.061
- Blueberry #464196 ΔE 0.064
- Indigo #4B0082 ΔE 0.072
- Royal Purple #4B006E ΔE 0.079
- Grape Purple #5D1451 ΔE 0.084
- Twilight #4E518B ΔE 0.090
- Chrysanthemum #560BAD ΔE 0.093
Use #542E7B 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.