#554D85
Closest named color: Twilight (#4E518B). oklch(45.4% 0.09 288.8), rgb(85, 77, 133).
Aa
White text reads best on this color (7.53:1).
About this color
#554D85 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.090 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.016 away. White text reads best on it, at 7.53:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.78:1 |
| White text | 7.53:1 |
Values
| HEX | #554D85 |
| RGB | rgb(85, 77, 133) |
| HSL | hsl(249, 27%, 41%) |
| OKLCH | oklch(45.4% 0.09 288.8) |
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 #554D85 | 7.53:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #554D85 | 2.78:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #554D85 text on white | 7.53:1 | AAA | Lc 86.1 | Fine for body text |
| #554D85 text on black | 2.78:1 | Fails | Lc -16.0 | 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
#9E98D2
oklch(70.6% 0.084 288.8)
-
Step 500
500
#877EC6
oklch(63% 0.107 288.7)
-
Step 600
600
#7266B3
oklch(55.6% 0.117 289.2)
-
Step 700
700
#5F559A
oklch(49.1% 0.108 288.4)
-
Step 800
800 (this color)
#554D85
oklch(45.4% 0.09 288.8)
-
Step 900
900
#403B64
oklch(37.7% 0.069 288.2)
-
Step 950
950
#26233B
oklch(27.1% 0.044 288.8)
#554D85 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) | #3B5687 | 0.042 |
| Deuteranopia (no green cones) | #3B5384 | 0.040 |
| Tritanopia (no blue cones) | #495862 | 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°).
- #554D85
#554D85
oklch(45.4% 0.09 288.8)
- #5B5A12
#5B5A12
oklch(45.5% 0.09 108.7)
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 #554D85, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.016
- Dusk #4E5481 ΔE 0.024
- Dusty Grape #545775 ΔE 0.044
- Denim Blue #3B5B92 ΔE 0.050
- Dusky Blue #475F94 ΔE 0.053
- Dark Slate Blue #483D8B ΔE 0.053
- Blueberry #464196 ΔE 0.054
- YInMn Blue #415A77 ΔE 0.056
Use #554D85 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.