#554E7B
Closest named color: Dusk (#4E5481). oklch(45% 0.073 290.3), rgb(85, 78, 123).
Aa
White text reads best on this color (7.60:1).
About this color
#554E7B is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.073 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.019 away. White text reads best on it, at 7.60:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.073) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.76:1 |
| White text | 7.60:1 |
Values
| HEX | #554E7B |
| RGB | rgb(85, 78, 123) |
| HSL | hsl(249, 22%, 39%) |
| OKLCH | oklch(45% 0.073 290.3) |
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 #554E7B | 7.60:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #554E7B | 2.76:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #554E7B text on white | 7.60:1 | AAA | Lc 86.4 | Fine for body text |
| #554E7B 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E9E9F2
oklch(93.7% 0.012 286.2)
-
Step 200
200
#D8D7E8
oklch(88.5% 0.023 288.6)
-
Step 300
300
#C0BCDB
oklch(80.8% 0.043 291.3)
-
Step 400
400
#A09AC9
oklch(70.8% 0.068 290.4)
-
Step 500
500
#8980BB
oklch(63.1% 0.088 290.6)
-
Step 600
600
#7369A7
oklch(55.6% 0.095 290.4)
-
Step 700
700
#60578F
oklch(49% 0.088 290.1)
-
Step 800
800 (this color)
#554E7B
oklch(45% 0.073 290.3)
-
Step 900
900
#413C5E
oklch(37.7% 0.058 290.1)
-
Step 950
950
#262337
oklch(26.9% 0.037 290.6)
#554E7B 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) | #41557D | 0.033 |
| Deuteranopia (no green cones) | #42537A | 0.031 |
| Tritanopia (no blue cones) | #4C565F | 0.061 |
| Achromatopsia (no color) | #545454 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554E7B
#554E7B
oklch(45% 0.073 290.3)
- #585925
#585925
oklch(45.1% 0.073 110)
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 #554E7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.019
- Twilight #4E518B ΔE 0.027
- Dusty Grape #545775 ΔE 0.031
- YInMn Blue #415A77 ΔE 0.045
- Denim Blue #3B5B92 ΔE 0.055
- Dusky Blue #475F94 ΔE 0.057
- Light Navy Blue #2E5A88 ΔE 0.057
- Dark Slate Blue #483D8B ΔE 0.064
Use #554E7B 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.