#555185
Closest named color: Twilight (#4E518B). oklch(46.2% 0.083 286.2), rgb(85, 81, 133).
Aa
White text reads best on this color (7.23:1).
About this color
#555185 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.083 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.014 away. White text reads best on it, at 7.23:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.90:1 |
| White text | 7.23:1 |
Values
| HEX | #555185 |
| RGB | rgb(85, 81, 133) |
| HSL | hsl(245, 24%, 42%) |
| OKLCH | oklch(46.2% 0.083 286.2) |
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 #555185 | 7.23:1 | AAA | Lc -90.0 | Fine for body text |
| Black text on #555185 | 2.90:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #555185 text on white | 7.23:1 | AAA | Lc 85.1 | Fine for body text |
| #555185 text on black | 2.90:1 | Fails | Lc -16.9 | 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 700.
-
Step 50
50
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E9E9F2
oklch(93.7% 0.012 286.2)
-
Step 200
200
#D7D7E8
oklch(88.4% 0.023 285.9)
-
Step 300
300
#BEBDDA
oklch(80.8% 0.041 287)
-
Step 400
400
#9D9BC8
oklch(70.7% 0.065 286.6)
-
Step 500
500
#8582B9
oklch(63.1% 0.082 286.3)
-
Step 600
600
#6F6BA5
oklch(55.6% 0.089 286.3)
-
Step 700
700 (this color)
#555185
oklch(46.2% 0.083 286.2)
-
Step 800
800
#4C4973
oklch(42.7% 0.069 286.4)
-
Step 900
900
#3F3D5D
oklch(37.6% 0.054 286.3)
-
Step 950
950
#252436
oklch(27% 0.033 286.5)
#555185 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) | #415887 | 0.032 |
| Deuteranopia (no green cones) | #405584 | 0.031 |
| Tritanopia (no blue cones) | #495B64 | 0.072 |
| Achromatopsia (no color) | #575757 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #555185
#555185
oklch(46.2% 0.083 286.2)
- #5F5B1C
#5F5B1C
oklch(46.2% 0.083 105.7)
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 #555185, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.014
- Dusk #4E5481 ΔE 0.016
- Dusty Grape #545775 ΔE 0.036
- Denim Blue #3B5B92 ΔE 0.044
- Dusky Blue #475F94 ΔE 0.044
- YInMn Blue #415A77 ΔE 0.048
- Light Navy Blue #2E5A88 ΔE 0.052
- Denim #3B638C ΔE 0.057
Use #555185 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.