#542FA0
Closest named color: Rebecca Purple (#663399). oklch(42% 0.172 292.4), rgb(84, 47, 160).
Aa
White text reads best on this color (9.16:1).
About this color
#542FA0 is a dark, vivid purple. In OKLCH its lightness is 42%, its chroma 0.172 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.039 away. White text reads best on it, at 9.16:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | vivid (0.172) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.29:1 |
| White text | 9.16:1 |
Values
| HEX | #542FA0 |
| RGB | rgb(84, 47, 160) |
| HSL | hsl(260, 55%, 41%) |
| OKLCH | oklch(42% 0.172 292.4) |
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 #542FA0 | 9.16:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #542FA0 | 2.29:1 | Fails | Lc 13.5 | Not readable |
| #542FA0 text on white | 9.16:1 | AAA | Lc 90.5 | Preferred for body text |
| #542FA0 text on black | 2.29:1 | Fails | Lc -11.8 | 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 800.
-
Step 50
50
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#EAE7FC
oklch(93.7% 0.028 292.4)
-
Step 200
200
#D9D3FC
oklch(88.5% 0.056 291.9)
-
Step 300
300
#C2B5FC
oklch(80.9% 0.1 292.4)
-
Step 400
400
#A58BFB
oklch(70.8% 0.16 292.5)
-
Step 500
500
#9169F8
oklch(63.2% 0.204 292.5)
-
Step 600
600
#7D4AE7
oklch(55.6% 0.223 292.5)
-
Step 700
700
#6A3AC9
oklch(49.2% 0.207 292.5)
-
Step 800
800 (this color)
#542FA0
oklch(42% 0.172 292.4)
-
Step 900
900
#462D81
oklch(37.6% 0.135 292.4)
-
Step 950
950
#291C4B
oklch(27.1% 0.084 292.7)
#542FA0 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) | #0049A3 | 0.098 |
| Deuteranopia (no green cones) | #00469E | 0.097 |
| Tritanopia (no blue cones) | #3D4C64 | 0.136 |
| Achromatopsia (no color) | #484848 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #542FA0
#542FA0
oklch(42% 0.172 292.4)
- #4E5200
#4E5200
oklch(42.1% 0.094 113)
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 #542FA0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.039
- Blueberry #464196 ΔE 0.047
- Chrysanthemum #560BAD ΔE 0.047
- Dark Slate Blue #483D8B ΔE 0.050
- Imperial Purple #480CA8 ΔE 0.055
- Blue With A Hint Of Purple #533CC6 ΔE 0.067
- Indigo Blue #3A18B1 ΔE 0.069
- Blurple #5539CC ΔE 0.074
Use #542FA0 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.