#542B7B
Closest named color: Dark Slate Blue (#483D8B). oklch(38.5% 0.132 304.5), rgb(84, 43, 123).
Aa
White text reads best on this color (10.45:1).
About this color
#542B7B is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.132 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 0.051 away. White text reads best on it, at 10.45:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.132) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.00:1 |
| White text | 10.45:1 |
Values
| HEX | #542B7B |
| RGB | rgb(84, 43, 123) |
| HSL | hsl(271, 48%, 33%) |
| OKLCH | oklch(38.5% 0.132 304.5) |
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 #542B7B | 10.45:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #542B7B | 2.00:1 | Fails | Lc 10.1 | Not readable |
| #542B7B text on white | 10.45:1 | AAA | Lc 93.8 | Preferred for body text |
| #542B7B text on black | 2.00:1 | Fails | Lc -8.7 | 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
#EEE5FA
oklch(93.5% 0.03 305.1)
-
Step 200
200
#E1D1F7
oklch(88.6% 0.054 304.4)
-
Step 300
300
#CFB1F5
oklch(81% 0.099 304.4)
-
Step 400
400
#B784EF
oklch(70.6% 0.159 304.7)
-
Step 500
500
#A661EA
oklch(63.2% 0.202 304.5)
-
Step 600
600
#9241D8
oklch(55.6% 0.22 304.7)
-
Step 700
700
#7C31BB
oklch(49.1% 0.204 304.5)
-
Step 800
800
#652B98
oklch(42.8% 0.17 304.4)
-
Step 900
900 (this color)
#542B7B
oklch(38.5% 0.132 304.5)
-
Step 950
950
#301947
oklch(27% 0.084 304.4)
#542B7B 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) | #003E7E | 0.108 |
| Deuteranopia (no green cones) | #163F79 | 0.098 |
| Tritanopia (no blue cones) | #4D3C4F | 0.096 |
| Achromatopsia (no color) | #3F3F3F | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #542B7B
#542B7B
oklch(38.5% 0.132 304.5)
- #394C00
#394C00
oklch(38.6% 0.096 124.4)
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 #542B7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.051
- Rebecca Purple #663399 ΔE 0.062
- Indigo #4B0082 ΔE 0.066
- Blueberry #464196 ΔE 0.069
- Royal Purple #4B006E ΔE 0.073
- Grape Purple #5D1451 ΔE 0.082
- Chrysanthemum #560BAD ΔE 0.090
- Imperial Purple #480CA8 ΔE 0.090
Use #542B7B 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.