#554C83
Closest named color: Twilight (#4E518B). oklch(45.1% 0.089 289.9), rgb(85, 76, 131).
Aa
White text reads best on this color (7.64:1).
About this color
#554C83 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.089 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.019 away. White text reads best on it, at 7.64:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.74:1 |
| White text | 7.64:1 |
Values
| HEX | #554C83 |
| RGB | rgb(85, 76, 131) |
| HSL | hsl(250, 27%, 41%) |
| OKLCH | oklch(45.1% 0.089 289.9) |
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 #554C83 | 7.64:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #554C83 | 2.74:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #554C83 text on white | 7.64:1 | AAA | Lc 86.5 | Fine for body text |
| #554C83 text on black | 2.74:1 | Fails | Lc -15.6 | 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
#E9E8F3
oklch(93.5% 0.015 290.3)
-
Step 200
200
#D8D6EB
oklch(88.4% 0.029 290.2)
-
Step 300
300
#BFBCE0
oklch(80.9% 0.05 289)
-
Step 400
400
#9F98D1
oklch(70.6% 0.083 289.7)
-
Step 500
500
#897EC5
oklch(63.2% 0.106 290.1)
-
Step 600
600
#7366B2
oklch(55.6% 0.116 290)
-
Step 700
700
#605599
oklch(49.2% 0.107 289.3)
-
Step 800
800 (this color)
#554C83
oklch(45.1% 0.089 289.9)
-
Step 900
900
#413B64
oklch(37.8% 0.069 289.4)
-
Step 950
950
#26233A
oklch(27.1% 0.042 289.2)
#554C83 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) | #3B5585 | 0.042 |
| Deuteranopia (no green cones) | #3B5282 | 0.040 |
| Tritanopia (no blue cones) | #4A5661 | 0.073 |
| Achromatopsia (no color) | #535353 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554C83
#554C83
oklch(45.1% 0.089 289.9)
- #595914
#595914
oklch(45% 0.088 109.5)
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 #554C83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.019
- Dusk #4E5481 ΔE 0.025
- Dusty Grape #545775 ΔE 0.044
- Dark Slate Blue #483D8B ΔE 0.052
- Denim Blue #3B5B92 ΔE 0.053
- Blueberry #464196 ΔE 0.054
- Dusky Blue #475F94 ΔE 0.056
- YInMn Blue #415A77 ΔE 0.056
Use #554C83 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.