#55488F
Closest named color: Twilight (#4E518B). oklch(45% 0.113 289.5), rgb(85, 72, 143).
Aa
White text reads best on this color (7.74:1).
About this color
#55488F is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.113 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.028 away. White text reads best on it, at 7.74:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.70:1 |
| White text | 7.74:1 |
Values
| HEX | #55488F |
| RGB | rgb(85, 72, 143) |
| HSL | hsl(251, 33%, 42%) |
| OKLCH | oklch(45% 0.113 289.5) |
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 #55488F | 7.74:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #55488F | 2.70:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #55488F text on white | 7.74:1 | AAA | Lc 86.8 | Fine for body text |
| #55488F text on black | 2.70:1 | Fails | Lc -15.3 | Dividers and decoration only |
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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D8D6F0
oklch(88.6% 0.036 289.2)
-
Step 300
300
#BFBAE9
oklch(80.9% 0.066 289.7)
-
Step 400
400
#9F95DE
oklch(70.6% 0.106 289.7)
-
Step 500
500
#8879D5
oklch(63% 0.136 289.4)
-
Step 600
600
#7361C2
oklch(55.6% 0.146 289.3)
-
Step 700
700
#614FA8
oklch(49.1% 0.137 289.7)
-
Step 800
800 (this color)
#55488F
oklch(45% 0.113 289.5)
-
Step 900
900
#41386D
oklch(37.7% 0.088 289.2)
-
Step 950
950
#262140
oklch(27% 0.057 289.5)
#55488F 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) | #2D5492 | 0.058 |
| Deuteranopia (no green cones) | #2D518D | 0.057 |
| Tritanopia (no blue cones) | #455664 | 0.094 |
| Achromatopsia (no color) | #535353 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55488F
#55488F
oklch(45% 0.113 289.5)
- #5A5900
#5A5900
oklch(45% 0.098 109)
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 #55488F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.028
- Blueberry #464196 ΔE 0.035
- Dark Slate Blue #483D8B ΔE 0.038
- Dusk #4E5481 ΔE 0.045
- Rebecca Purple #663399 ΔE 0.058
- Denim Blue #3B5B92 ΔE 0.059
- Dusky Blue #475F94 ΔE 0.064
- Dusk Blue #26538D ΔE 0.065
Use #55488F 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.