#55477E
Closest named color: Twilight (#4E518B). oklch(43.8% 0.089 294.1), rgb(85, 71, 126).
Aa
White text reads best on this color (8.11:1).
About this color
#55477E is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.089 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.032 away. White text reads best on it, at 8.11:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.58:1 |
| White text | 8.11:1 |
Values
| HEX | #55477E |
| RGB | rgb(85, 71, 126) |
| HSL | hsl(255, 28%, 39%) |
| OKLCH | oklch(43.8% 0.089 294.1) |
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 #55477E | 8.11:1 | AAA | Lc -92.6 | Preferred for body text |
| Black text on #55477E | 2.58:1 | Fails | Lc 16.0 | Dividers and decoration only |
| #55477E text on white | 8.11:1 | AAA | Lc 88.0 | Fine for body text |
| #55477E text on black | 2.58:1 | Fails | Lc -14.2 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#EAE8F3
oklch(93.6% 0.015 294.5)
-
Step 200
200
#DAD6EB
oklch(88.6% 0.029 294.5)
-
Step 300
300
#C2BBE0
oklch(81% 0.052 293.9)
-
Step 400
400
#A397D0
oklch(70.7% 0.083 293.8)
-
Step 500
500
#8D7CC4
oklch(63.1% 0.107 293.9)
-
Step 600
600
#7864B0
oklch(55.6% 0.116 294.4)
-
Step 700
700
#655397
oklch(49.1% 0.107 294.3)
-
Step 800
800 (this color)
#55477E
oklch(43.8% 0.089 294.1)
-
Step 900
900
#443A63
oklch(37.8% 0.069 294)
-
Step 950
950
#28223A
oklch(27.1% 0.044 294.7)
#55477E 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) | #365080 | 0.049 |
| Deuteranopia (no green cones) | #384F7D | 0.047 |
| Tritanopia (no blue cones) | #4C515C | 0.073 |
| Achromatopsia (no color) | #505050 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55477E
#55477E
oklch(43.8% 0.089 294.1)
- #515711
#515711
oklch(43.7% 0.09 114.5)
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 #55477E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.032
- Dusk #4E5481 ΔE 0.037
- Dark Slate Blue #483D8B ΔE 0.045
- Blueberry #464196 ΔE 0.052
- Dusty Grape #545775 ΔE 0.052
- YInMn Blue #415A77 ΔE 0.064
- Denim Blue #3B5B92 ΔE 0.065
- Dusk Blue #26538D ΔE 0.067
Use #55477E 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.