#55448B
Closest named color: Dark Slate Blue (#483D8B). oklch(44% 0.114 292.1), rgb(85, 68, 139).
Aa
White text reads best on this color (8.12:1).
About this color
#55448B is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.114 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.031 away. White text reads best on it, at 8.12:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.58:1 |
| White text | 8.12:1 |
Values
| HEX | #55448B |
| RGB | rgb(85, 68, 139) |
| HSL | hsl(254, 34%, 41%) |
| OKLCH | oklch(44% 0.114 292.1) |
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 #55448B | 8.12:1 | AAA | Lc -92.6 | Preferred for body text |
| Black text on #55448B | 2.58:1 | Fails | Lc 16.1 | Dividers and decoration only |
| #55448B text on white | 8.12:1 | AAA | Lc 87.9 | Fine for body text |
| #55448B 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#EAE8F6
oklch(93.7% 0.019 292.6)
-
Step 200
200
#D9D5F0
oklch(88.4% 0.037 292.4)
-
Step 300
300
#C1B9E9
oklch(80.8% 0.068 292.5)
-
Step 400
400
#A294DD
oklch(70.7% 0.106 292.3)
-
Step 500
500
#8C78D4
oklch(63.1% 0.136 292)
-
Step 600
600
#775FC1
oklch(55.6% 0.148 292.2)
-
Step 700
700
#644EA7
oklch(49.1% 0.138 291.9)
-
Step 800
800 (this color)
#55448B
oklch(44% 0.114 292.1)
-
Step 900
900
#43376C
oklch(37.6% 0.089 292)
-
Step 950
950
#27213F
oklch(27% 0.055 291.5)
#55448B 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) | #29518E | 0.065 |
| Deuteranopia (no green cones) | #2B4E89 | 0.062 |
| Tritanopia (no blue cones) | #475261 | 0.092 |
| Achromatopsia (no color) | #505050 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55448B
#55448B
oklch(44% 0.114 292.1)
- #545700
#545700
oklch(43.9% 0.097 112.1)
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 #55448B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.031
- Blueberry #464196 ΔE 0.033
- Twilight #4E518B ΔE 0.036
- Dusk #4E5481 ΔE 0.051
- Rebecca Purple #663399 ΔE 0.054
- Denim Blue #3B5B92 ΔE 0.068
- Dusk Blue #26538D ΔE 0.069
- Dusty Grape #545775 ΔE 0.072
Use #55448B 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.