#554178
Closest named color: Dark Slate Blue (#483D8B). oklch(42.2% 0.091 299.2), rgb(85, 65, 120).
Aa
White text reads best on this color (8.70:1).
About this color
#554178 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.091 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.042 away. White text reads best on it, at 8.70:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.41:1 |
| White text | 8.70:1 |
Values
| HEX | #554178 |
| RGB | rgb(85, 65, 120) |
| HSL | hsl(262, 30%, 36%) |
| OKLCH | oklch(42.2% 0.091 299.2) |
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 #554178 | 8.70:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #554178 | 2.41:1 | Fails | Lc 14.3 | Not readable |
| #554178 text on white | 8.70:1 | AAA | Lc 89.7 | Fine for body text |
| #554178 text on black | 2.41:1 | Fails | Lc -12.5 | 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
#EBE8F3
oklch(93.7% 0.015 298.6)
-
Step 200
200
#DBD5EA
oklch(88.4% 0.029 298.8)
-
Step 300
300
#C5BADF
oklch(81% 0.053 298.8)
-
Step 400
400
#A895CF
oklch(70.7% 0.086 299.2)
-
Step 500
500
#937AC2
oklch(63.1% 0.109 299.3)
-
Step 600
600
#7E62AE
oklch(55.7% 0.118 299.6)
-
Step 700
700
#6A5196
oklch(49.2% 0.11 299)
-
Step 800
800 (this color)
#554178
oklch(42.2% 0.091 299.2)
-
Step 900
900
#473862
oklch(37.6% 0.072 299.4)
-
Step 950
950
#2A2139
oklch(27% 0.045 300.7)
#554178 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) | #314B7A | 0.058 |
| Deuteranopia (no green cones) | #354B77 | 0.054 |
| Tritanopia (no blue cones) | #4E4B56 | 0.073 |
| Achromatopsia (no color) | #4B4B4B | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554178
#554178
oklch(42.2% 0.091 299.2)
- #48540F
#48540F
oklch(42.1% 0.091 119.3)
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 #554178, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.042
- Twilight #4E518B ΔE 0.049
- Dusk #4E5481 ΔE 0.053
- Blueberry #464196 ΔE 0.056
- Dusty Grape #545775 ΔE 0.065
- Rebecca Purple #663399 ΔE 0.072
- YInMn Blue #415A77 ΔE 0.076
- Dusk Blue #26538D ΔE 0.078
Use #554178 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.