#554779
Closest named color: Twilight (#4E518B). oklch(43.5% 0.082 295.7), rgb(85, 71, 121).
Aa
White text reads best on this color (8.19:1).
About this color
#554779 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.082 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.037 away. White text reads best on it, at 8.19:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.56:1 |
| White text | 8.19:1 |
Values
| HEX | #554779 |
| RGB | rgb(85, 71, 121) |
| HSL | hsl(257, 26%, 38%) |
| OKLCH | oklch(43.5% 0.082 295.7) |
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 #554779 | 8.19:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #554779 | 2.56:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #554779 text on white | 8.19:1 | AAA | Lc 88.3 | Fine for body text |
| #554779 text on black | 2.56:1 | Fails | Lc -13.9 | 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
#DAD6E9
oklch(88.5% 0.026 295.5)
-
Step 300
300
#C3BBDD
oklch(81% 0.048 296.1)
-
Step 400
400
#A497CC
oklch(70.7% 0.078 295.6)
-
Step 500
500
#8E7DBE
oklch(63.1% 0.097 295.5)
-
Step 600
600
#7965AA
oklch(55.5% 0.106 296.1)
-
Step 700
700
#665492
oklch(49.1% 0.098 295.9)
-
Step 800
800 (this color)
#554779
oklch(43.5% 0.082 295.7)
-
Step 900
900
#443A60
oklch(37.6% 0.065 295.2)
-
Step 950
950
#282238
oklch(26.9% 0.041 296.1)
#554779 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) | #394F7B | 0.045 |
| Deuteranopia (no green cones) | #3B4E78 | 0.043 |
| Tritanopia (no blue cones) | #4D505A | 0.067 |
| Achromatopsia (no color) | #4F4F4F | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554779
#554779
oklch(43.5% 0.082 295.7)
- #4F561B
#4F561B
oklch(43.4% 0.081 115.6)
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 #554779, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.037
- Dusk #4E5481 ΔE 0.037
- Dusty Grape #545775 ΔE 0.049
- Dark Slate Blue #483D8B ΔE 0.050
- Blueberry #464196 ΔE 0.059
- YInMn Blue #415A77 ΔE 0.061
- Denim Blue #3B5B92 ΔE 0.068
- Dusk Blue #26538D ΔE 0.069
Use #554779 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.