#554170
Closest named color: Dark Slate Blue (#483D8B). oklch(41.7% 0.079 302.7), rgb(85, 65, 112).
Aa
White text reads best on this color (8.83:1).
About this color
#554170 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.079 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.054 away. White text reads best on it, at 8.83:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.079) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.37:1 |
| White text | 8.83:1 |
Values
| HEX | #554170 |
| RGB | rgb(85, 65, 112) |
| HSL | hsl(266, 27%, 35%) |
| OKLCH | oklch(41.7% 0.079 302.7) |
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 #554170 | 8.83:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #554170 | 2.37:1 | Fails | Lc 13.8 | Not readable |
| #554170 text on white | 8.83:1 | AAA | Lc 90.1 | Preferred for body text |
| #554170 text on black | 2.37:1 | Fails | Lc -12.1 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#EBE8F1
oklch(93.6% 0.012 301.3)
-
Step 200
200
#DCD5E8
oklch(88.4% 0.027 302.5)
-
Step 300
300
#C6BADA
oklch(80.9% 0.046 302.4)
-
Step 400
400
#A996C7
oklch(70.7% 0.073 302.3)
-
Step 500
500
#957BB9
oklch(63.1% 0.095 303)
-
Step 600
600
#7F64A5
oklch(55.7% 0.102 302.3)
-
Step 700
700
#6C528D
oklch(49.1% 0.096 303.4)
-
Step 800
800 (this color)
#554170
oklch(41.7% 0.079 302.7)
-
Step 900
900
#48395D
oklch(37.7% 0.063 302.7)
-
Step 950
950
#2A2236
oklch(27% 0.038 302.3)
#554170 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) | #364A72 | 0.052 |
| Deuteranopia (no green cones) | #3A4A6F | 0.048 |
| Tritanopia (no blue cones) | #504953 | 0.061 |
| Achromatopsia (no color) | #4A4A4A | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554170
#554170
oklch(41.7% 0.079 302.7)
- #45531D
#45531D
oklch(41.7% 0.079 122.2)
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 #554170, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.054
- Dusk #4E5481 ΔE 0.055
- Twilight #4E518B ΔE 0.056
- Dusty Grape #545775 ΔE 0.063
- Blueberry #464196 ΔE 0.068
- YInMn Blue #415A77 ΔE 0.074
- Dark Grey Blue #29465B ΔE 0.080
- Dusk Blue #26538D ΔE 0.082
Use #554170 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.