#554C84
Closest named color: Twilight (#4E518B). oklch(45.1% 0.09 289.7), rgb(85, 76, 132).
Aa
White text reads best on this color (7.62:1).
About this color
#554C84 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.090 and its hue 290°. 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 7.62:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.75:1 |
| White text | 7.62:1 |
Values
| HEX | #554C84 |
| RGB | rgb(85, 76, 132) |
| HSL | hsl(250, 27%, 41%) |
| OKLCH | oklch(45.1% 0.09 289.7) |
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 #554C84 | 7.62:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #554C84 | 2.75:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #554C84 text on white | 7.62:1 | AAA | Lc 86.4 | Fine for body text |
| #554C84 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
#BFBCE1
oklch(81% 0.052 288.9)
-
Step 400
400
#9F98D2
oklch(70.7% 0.084 289.6)
-
Step 500
500
#887EC6
oklch(63.1% 0.107 289.3)
-
Step 600
600
#7366B3
oklch(55.7% 0.117 289.8)
-
Step 700
700
#60549A
oklch(49% 0.11 289.6)
-
Step 800
800 (this color)
#554C84
oklch(45.1% 0.09 289.7)
-
Step 900
900
#413B64
oklch(37.8% 0.069 289.4)
-
Step 950
950
#26233B
oklch(27.1% 0.044 288.8)
#554C84 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) | #3A5586 | 0.043 |
| Deuteranopia (no green cones) | #3A5283 | 0.041 |
| Tritanopia (no blue cones) | #495761 | 0.077 |
| Achromatopsia (no color) | #545454 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554C84
#554C84
oklch(45.1% 0.09 289.7)
- #595911
#595911
oklch(45% 0.09 109.5)
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 #554C84, 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 0.026
- Dusty Grape #545775 ΔE 0.045
- Dark Slate Blue #483D8B ΔE 0.051
- Denim Blue #3B5B92 ΔE 0.052
- Blueberry #464196 ΔE 0.053
- Dusky Blue #475F94 ΔE 0.055
- YInMn Blue #415A77 ΔE 0.057
Use #554C84 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.