#555174
Closest named color: Dusty Grape (#545775). oklch(45.3% 0.057 289.2), rgb(85, 81, 116).
Aa
White text reads best on this color (7.45:1).
About this color
#555174 is a medium-dark, muted purple. In OKLCH its lightness is 45%, its chroma 0.057 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.017 away. White text reads best on it, at 7.45:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.81:1 |
| White text | 7.45:1 |
Values
| HEX | #555174 |
| RGB | rgb(85, 81, 116) |
| HSL | hsl(247, 18%, 39%) |
| OKLCH | oklch(45.3% 0.057 289.2) |
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 #555174 | 7.45:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #555174 | 2.81:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #555174 text on white | 7.45:1 | AAA | Lc 85.9 | Fine for body text |
| #555174 text on black | 2.81:1 | Fails | Lc -16.1 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E9E9F0
oklch(93.6% 0.009 286.2)
-
Step 200
200
#D8D7E5
oklch(88.4% 0.019 289.3)
-
Step 300
300
#BFBED5
oklch(81% 0.032 287.7)
-
Step 400
400
#9F9CC0
oklch(70.8% 0.052 288.8)
-
Step 500
500
#8883B0
oklch(63.1% 0.067 289.4)
-
Step 600
600
#726C9C
oklch(55.6% 0.074 289.5)
-
Step 700
700
#5F5A85
oklch(49% 0.068 288.9)
-
Step 800
800 (this color)
#555174
oklch(45.3% 0.057 289.2)
-
Step 900
900
#413E58
oklch(37.8% 0.044 289.4)
-
Step 950
950
#262433
oklch(26.9% 0.028 290.5)
#555174 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) | #485675 | 0.023 |
| Deuteranopia (no green cones) | #485473 | 0.021 |
| Tritanopia (no blue cones) | #4E575D | 0.049 |
| Achromatopsia (no color) | #555555 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #555174
#555174
oklch(45.3% 0.057 289.2)
- #585933
#585933
oklch(45.3% 0.057 109.8)
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 #555174, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.017
- Dusk #4E5481 ΔE 0.023
- YInMn Blue #415A77 ΔE 0.036
- Twilight #4E518B ΔE 0.039
- Light Navy Blue #2E5A88 ΔE 0.057
- Denim Blue #3B5B92 ΔE 0.058
- Dusky Blue #475F94 ΔE 0.059
- Slate #516572 ΔE 0.062
Use #555174 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.