#55477F
Closest named color: Twilight (#4E518B). oklch(43.8% 0.091 293.8), rgb(85, 71, 127).
Aa
White text reads best on this color (8.09:1).
About this color
#55477F is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.091 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.031 away. White text reads best on it, at 8.09:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.59:1 |
| White text | 8.09:1 |
Values
| HEX | #55477F |
| RGB | rgb(85, 71, 127) |
| HSL | hsl(255, 28%, 39%) |
| OKLCH | oklch(43.8% 0.091 293.8) |
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 #55477F | 8.09:1 | AAA | Lc -92.6 | Preferred for body text |
| Black text on #55477F | 2.59:1 | Fails | Lc 16.1 | Dividers and decoration only |
| #55477F text on white | 8.09:1 | AAA | Lc 87.9 | Fine for body text |
| #55477F text on black | 2.59:1 | 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
#A397D1
oklch(70.8% 0.084 293.6)
-
Step 500
500
#8D7CC5
oklch(63.1% 0.109 293.7)
-
Step 600
600
#7864B1
oklch(55.6% 0.118 294.2)
-
Step 700
700
#655398
oklch(49.2% 0.109 294.1)
-
Step 800
800 (this color)
#55477F
oklch(43.8% 0.091 293.8)
-
Step 900
900
#443A63
oklch(37.8% 0.069 294)
-
Step 950
950
#28223A
oklch(27.1% 0.044 294.7)
#55477F 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) | #365081 | 0.049 |
| Deuteranopia (no green cones) | #384F7E | 0.047 |
| Tritanopia (no blue cones) | #4B515D | 0.073 |
| Achromatopsia (no color) | #505050 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55477F
#55477F
oklch(43.8% 0.091 293.8)
- #52570F
#52570F
oklch(43.8% 0.091 113.7)
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 #55477F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.031
- Dusk #4E5481 ΔE 0.037
- Dark Slate Blue #483D8B ΔE 0.044
- Blueberry #464196 ΔE 0.051
- Dusty Grape #545775 ΔE 0.053
- Denim Blue #3B5B92 ΔE 0.064
- YInMn Blue #415A77 ΔE 0.065
- Dusk Blue #26538D ΔE 0.067
Use #55477F 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.