#542D80
Closest named color: Dark Slate Blue (#483D8B). oklch(39.1% 0.135 302.1), rgb(84, 45, 128).
Aa
White text reads best on this color (10.17:1).
About this color
#542D80 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.135 and its hue 302°. 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 10.17:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.06:1 |
| White text | 10.17:1 |
Values
| HEX | #542D80 |
| RGB | rgb(84, 45, 128) |
| HSL | hsl(268, 48%, 34%) |
| OKLCH | oklch(39.1% 0.135 302.1) |
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 #542D80 | 10.17:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #542D80 | 2.06:1 | Fails | Lc 10.8 | Not readable |
| #542D80 text on white | 10.17:1 | AAA | Lc 93.2 | Preferred for body text |
| #542D80 text on black | 2.06:1 | Fails | Lc -9.3 | 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
#EDE6FB
oklch(93.7% 0.029 301)
-
Step 200
200
#E0D1F9
oklch(88.5% 0.057 302.3)
-
Step 300
300
#CDB1F7
oklch(80.9% 0.101 302.5)
-
Step 400
400
#B485F4
oklch(70.7% 0.163 302)
-
Step 500
500
#A361EF
oklch(63.2% 0.207 302.2)
-
Step 600
600
#8E41DD
oklch(55.5% 0.225 302)
-
Step 700
700
#7931C0
oklch(49.1% 0.209 302)
-
Step 800
800
#632A9B
oklch(42.7% 0.174 302.6)
-
Step 900
900 (this color)
#542D80
oklch(39.1% 0.135 302.1)
-
Step 950
950
#2F1948
oklch(27% 0.085 302.7)
#542D80 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) | #004183 | 0.105 |
| Deuteranopia (no green cones) | #12417E | 0.099 |
| Tritanopia (no blue cones) | #4B3F52 | 0.101 |
| Achromatopsia (no color) | #414141 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #542D80
#542D80
oklch(39.1% 0.135 302.1)
- #3D4D00
#3D4D00
oklch(39.2% 0.095 122.2)
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 #542D80, 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 0.055
- Blueberry #464196 ΔE 0.061
- Indigo #4B0082 ΔE 0.069
- Royal Purple #4B006E ΔE 0.079
- Chrysanthemum #560BAD ΔE 0.084
- Imperial Purple #480CA8 ΔE 0.085
- Grape Purple #5D1451 ΔE 0.091
Use #542D80 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.