#55447F
Closest named color: Twilight (#4E518B). oklch(43.2% 0.096 295.4), rgb(85, 68, 127).
Aa
White text reads best on this color (8.33:1).
About this color
#55447F is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.096 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.038 away. White text reads best on it, at 8.33:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.51:1 |
| White text | 8.33:1 |
Values
| HEX | #55447F |
| RGB | rgb(85, 68, 127) |
| HSL | hsl(257, 30%, 38%) |
| OKLCH | oklch(43.2% 0.096 295.4) |
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 #55447F | 8.33:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #55447F | 2.51:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #55447F text on white | 8.33:1 | AAA | Lc 88.6 | Fine for body text |
| #55447F text on black | 2.51:1 | Fails | Lc -13.5 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EAE8F4
oklch(93.6% 0.016 293.7)
-
Step 200
200
#DAD5EC
oklch(88.4% 0.032 295.7)
-
Step 300
300
#C3BAE2
oklch(80.9% 0.057 295.4)
-
Step 400
400
#A595D3
oklch(70.7% 0.091 295.8)
-
Step 500
500
#8F7AC7
oklch(63% 0.115 295.5)
-
Step 600
600
#7A62B4
oklch(55.6% 0.125 295.5)
-
Step 700
700
#67519B
oklch(49.2% 0.116 295.5)
-
Step 800
800 (this color)
#55447F
oklch(43.2% 0.096 295.4)
-
Step 900
900
#453965
oklch(37.8% 0.074 295.2)
-
Step 950
950
#28213B
oklch(26.9% 0.048 295.4)
#55447F 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) | #314E81 | 0.056 |
| Deuteranopia (no green cones) | #344D7E | 0.053 |
| Tritanopia (no blue cones) | #4C4F5B | 0.078 |
| Achromatopsia (no color) | #4E4E4E | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55447F
#55447F
oklch(43.2% 0.096 295.4)
- #4F5604
#4F5604
oklch(43.2% 0.096 115.1)
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 #55447F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.038
- Dark Slate Blue #483D8B ΔE 0.038
- Dusk #4E5481 ΔE 0.045
- Blueberry #464196 ΔE 0.048
- Dusty Grape #545775 ΔE 0.061
- Rebecca Purple #663399 ΔE 0.067
- Dusk Blue #26538D ΔE 0.070
- Denim Blue #3B5B92 ΔE 0.071
Use #55447F 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.