#554775
Closest named color: Dusk (#4E5481). oklch(43.2% 0.076 297.1), rgb(85, 71, 117).
Aa
White text reads best on this color (8.25:1).
About this color
#554775 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.076 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.038 away. White text reads best on it, at 8.25:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.54:1 |
| White text | 8.25:1 |
Values
| HEX | #554775 |
| RGB | rgb(85, 71, 117) |
| HSL | hsl(258, 24%, 37%) |
| OKLCH | oklch(43.2% 0.076 297.1) |
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 #554775 | 8.25:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #554775 | 2.54:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #554775 text on white | 8.25:1 | AAA | Lc 88.5 | Fine for body text |
| #554775 text on black | 2.54:1 | Fails | Lc -13.7 | 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
#F6F5F9
oklch(97.2% 0.005 297.7)
-
Step 100
100
#EAE8F2
oklch(93.5% 0.014 295.3)
-
Step 200
200
#DAD6E8
oklch(88.5% 0.025 296.1)
-
Step 300
300
#C3BBDA
oklch(80.8% 0.044 297.2)
-
Step 400
400
#A598C8
oklch(70.8% 0.07 297)
-
Step 500
500
#8F7EBA
oklch(63.2% 0.09 296.8)
-
Step 600
600
#7A66A6
oklch(55.6% 0.099 297.5)
-
Step 700
700
#66558E
oklch(49.1% 0.091 296.6)
-
Step 800
800 (this color)
#554775
oklch(43.2% 0.076 297.1)
-
Step 900
900
#453B5D
oklch(37.8% 0.058 297.1)
-
Step 950
950
#282237
oklch(26.9% 0.039 296.8)
#554775 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) | #3B4F77 | 0.043 |
| Deuteranopia (no green cones) | #3D4E74 | 0.041 |
| Tritanopia (no blue cones) | #4F4F58 | 0.062 |
| Achromatopsia (no color) | #4F4F4F | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554775
#554775
oklch(43.2% 0.076 297.1)
- #4D5621
#4D5621
oklch(43.3% 0.076 117.8)
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 #554775, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.038
- Twilight #4E518B ΔE 0.041
- Dusty Grape #545775 ΔE 0.047
- Dark Slate Blue #483D8B ΔE 0.055
- YInMn Blue #415A77 ΔE 0.060
- Blueberry #464196 ΔE 0.065
- Denim Blue #3B5B92 ΔE 0.071
- Light Navy Blue #2E5A88 ΔE 0.071
Use #554775 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.