#542A90
Closest named color: Rebecca Purple (#663399). oklch(40% 0.159 297.6), rgb(84, 42, 144).
Aa
White text reads best on this color (9.94:1).
About this color
#542A90 is a dark, vivid purple. In OKLCH its lightness is 40%, its chroma 0.159 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 0.044 away. White text reads best on it, at 9.94:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | vivid (0.159) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.11:1 |
| White text | 9.94:1 |
Values
| HEX | #542A90 |
| RGB | rgb(84, 42, 144) |
| HSL | hsl(265, 55%, 36%) |
| OKLCH | oklch(40% 0.159 297.6) |
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 #542A90 | 9.94:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #542A90 | 2.11:1 | Fails | Lc 11.5 | Not readable |
| #542A90 text on white | 9.94:1 | AAA | Lc 92.4 | Preferred for body text |
| #542A90 text on black | 2.11:1 | Fails | Lc -10.0 | 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
#DDD1FF
oklch(88.5% 0.064 297)
-
Step 300
300
#C8B1FF
oklch(80.8% 0.111 297.4)
-
Step 400
400
#AE84FF
oklch(70.6% 0.177 297.4)
-
Step 500
500
#9D5DFF
oklch(63.1% 0.229 297.6)
-
Step 600
600
#8B30F6
oklch(55.6% 0.265 297.5)
-
Step 700
700
#771ED6
oklch(49.2% 0.246 297.7)
-
Step 800
800
#601EAD
oklch(42.7% 0.204 297.5)
-
Step 900
900 (this color)
#542A90
oklch(40% 0.159 297.6)
-
Step 950
950
#2D1650
oklch(26.9% 0.101 297.3)
#542A90 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) | #004393 | 0.105 |
| Deuteranopia (no green cones) | #00418E | 0.105 |
| Tritanopia (no blue cones) | #45435A | 0.121 |
| Achromatopsia (no color) | #434343 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #542A90
#542A90
oklch(40% 0.159 297.6)
- #444E00
#444E00
oklch(40.1% 0.093 117.8)
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 #542A90, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.044
- Dark Slate Blue #483D8B ΔE 0.046
- Blueberry #464196 ΔE 0.055
- Chrysanthemum #560BAD ΔE 0.057
- Imperial Purple #480CA8 ΔE 0.061
- Indigo #4B0082 ΔE 0.065
- Indigo Blue #3A18B1 ΔE 0.081
- Grape #7209B7 ΔE 0.087
Use #542A90 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.