#554F75
Closest named color: Dusk (#4E5481). oklch(44.9% 0.062 290.9), rgb(85, 79, 117).
Aa
White text reads best on this color (7.60:1).
About this color
#554F75 is a dark, muted purple. In OKLCH its lightness is 45%, its chroma 0.062 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.023 away. White text reads best on it, at 7.60:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | muted (0.062) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.76:1 |
| White text | 7.60:1 |
Values
| HEX | #554F75 |
| RGB | rgb(85, 79, 117) |
| HSL | hsl(249, 19%, 38%) |
| OKLCH | oklch(44.9% 0.062 290.9) |
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 #554F75 | 7.60:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #554F75 | 2.76:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #554F75 text on white | 7.60:1 | AAA | Lc 86.4 | Fine for body text |
| #554F75 text on black | 2.76:1 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#EAE9F0
oklch(93.7% 0.009 292.8)
-
Step 200
200
#D9D7E6
oklch(88.5% 0.021 292.1)
-
Step 300
300
#C0BDD7
oklch(80.9% 0.036 290.9)
-
Step 400
400
#A09BC3
oklch(70.8% 0.058 290.6)
-
Step 500
500
#8982B3
oklch(63.1% 0.073 290.7)
-
Step 600
600
#736B9F
oklch(55.6% 0.08 290.6)
-
Step 700
700
#615988
oklch(49.1% 0.075 291.2)
-
Step 800
800 (this color)
#554F75
oklch(44.9% 0.062 290.9)
-
Step 900
900
#413D59
oklch(37.6% 0.048 290.5)
-
Step 950
950
#262434
oklch(27% 0.03 290)
#554F75 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) | #455477 | 0.026 |
| Deuteranopia (no green cones) | #455374 | 0.026 |
| Tritanopia (no blue cones) | #4E555D | 0.051 |
| Achromatopsia (no color) | #545454 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554F75
#554F75
oklch(44.9% 0.062 290.9)
- #56582E
#56582E
oklch(44.8% 0.062 111)
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 #554F75, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.023
- Dusty Grape #545775 ΔE 0.024
- Twilight #4E518B ΔE 0.037
- YInMn Blue #415A77 ΔE 0.040
- Light Navy Blue #2E5A88 ΔE 0.059
- Denim Blue #3B5B92 ΔE 0.059
- Dusky Blue #475F94 ΔE 0.061
- Denim #3B638C ΔE 0.065
Use #554F75 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.