#542790
Closest named color: Rebecca Purple (#663399). oklch(39.6% 0.162 298.1), rgb(84, 39, 144).
Aa
White text reads best on this color (10.14:1).
About this color
#542790 is a dark, vivid purple. In OKLCH its lightness is 40%, its chroma 0.162 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.047 away. White text reads best on it, at 10.14:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | vivid (0.162) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.06:1 |
| White text | 10.14:1 |
Values
| HEX | #542790 |
| RGB | rgb(84, 39, 144) |
| HSL | hsl(266, 57%, 36%) |
| OKLCH | oklch(39.6% 0.162 298.1) |
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 #542790 | 10.14:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #542790 | 2.06:1 | Fails | Lc 11.1 | Not readable |
| #542790 text on white | 10.14:1 | AAA | Lc 92.8 | Preferred for body text |
| #542790 text on black | 2.06:1 | Fails | Lc -9.6 | 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
#F6F3FF
oklch(97% 0.016 297.5)
-
Step 100
100
#ECE5FF
oklch(93.5% 0.036 298)
-
Step 200
200
#DED1FF
oklch(88.6% 0.064 298)
-
Step 300
300
#C9B1FF
oklch(80.9% 0.111 298)
-
Step 400
400
#AF84FF
oklch(70.7% 0.177 297.9)
-
Step 500
500
#9E5CFF
oklch(63.1% 0.231 298.1)
-
Step 600
600
#8D2BF8
oklch(55.6% 0.271 298.1)
-
Step 700
700
#7817D8
oklch(49.1% 0.252 298)
-
Step 800
800
#621BAE
oklch(42.7% 0.208 298.4)
-
Step 900
900 (this color)
#542790
oklch(39.6% 0.162 298.1)
-
Step 950
950
#2E1551
oklch(27% 0.104 298.2)
#542790 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) | #004293 | 0.107 |
| Deuteranopia (no green cones) | #00408E | 0.107 |
| Tritanopia (no blue cones) | #454159 | 0.122 |
| Achromatopsia (no color) | #414141 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #542790
#542790
oklch(39.6% 0.162 298.1)
- #424D00
#424D00
oklch(39.6% 0.093 118.7)
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 #542790, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.047
- Dark Slate Blue #483D8B ΔE 0.052
- Chrysanthemum #560BAD ΔE 0.055
- Imperial Purple #480CA8 ΔE 0.058
- Blueberry #464196 ΔE 0.060
- Indigo #4B0082 ΔE 0.060
- Indigo Blue #3A18B1 ΔE 0.080
- Royal Purple #4B006E ΔE 0.083
Use #542790 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.