#554C85
Closest named color: Twilight (#4E518B). oklch(45.2% 0.092 289.5), rgb(85, 76, 133).
Aa
White text reads best on this color (7.61:1).
About this color
#554C85 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.092 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.018 away. White text reads best on it, at 7.61:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.75:1 |
| White text | 7.61:1 |
Values
| HEX | #554C85 |
| RGB | rgb(85, 76, 133) |
| HSL | hsl(249, 27%, 41%) |
| OKLCH | oklch(45.2% 0.092 289.5) |
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 #554C85 | 7.61:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #554C85 | 2.75:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #554C85 text on white | 7.61:1 | AAA | Lc 86.4 | Fine for body text |
| #554C85 text on black | 2.75:1 | Fails | Lc -15.7 | Dividers and decoration only |
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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E8F4
oklch(93.5% 0.016 289.9)
-
Step 200
200
#D8D6EC
oklch(88.4% 0.03 289.9)
-
Step 300
300
#BFBBE2
oklch(80.8% 0.055 289.8)
-
Step 400
400
#9F98D3
oklch(70.7% 0.086 289.5)
-
Step 500
500
#887EC7
oklch(63.2% 0.108 289.2)
-
Step 600
600
#7266B4
oklch(55.6% 0.119 289)
-
Step 700
700
#60549B
oklch(49.1% 0.111 289.4)
-
Step 800
800 (this color)
#554C85
oklch(45.2% 0.092 289.5)
-
Step 900
900
#413A65
oklch(37.6% 0.072 289.9)
-
Step 950
950
#26223B
oklch(26.9% 0.046 290.3)
#554C85 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) | #3A5587 | 0.043 |
| Deuteranopia (no green cones) | #3A5284 | 0.041 |
| Tritanopia (no blue cones) | #495762 | 0.077 |
| Achromatopsia (no color) | #545454 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554C85
#554C85
oklch(45.2% 0.092 289.5)
- #5A5A0F
#5A5A0F
oklch(45.3% 0.092 109.6)
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 #554C85, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.018
- Dusk #4E5481 ΔE 0.027
- Dusty Grape #545775 ΔE 0.047
- Dark Slate Blue #483D8B ΔE 0.051
- Blueberry #464196 ΔE 0.052
- Denim Blue #3B5B92 ΔE 0.052
- Dusky Blue #475F94 ΔE 0.055
- YInMn Blue #415A77 ΔE 0.058
Use #554C85 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.