#554D7A
Closest named color: Dusk (#4E5481). oklch(44.8% 0.073 291.3), rgb(85, 77, 122).
Aa
White text reads best on this color (7.69:1).
About this color
#554D7A is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.073 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.022 away. White text reads best on it, at 7.69:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.073) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.72:1 |
| White text | 7.69:1 |
Values
| HEX | #554D7A |
| RGB | rgb(85, 77, 122) |
| HSL | hsl(251, 23%, 39%) |
| OKLCH | oklch(44.8% 0.073 291.3) |
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 #554D7A | 7.69:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #554D7A | 2.72:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #554D7A text on white | 7.69:1 | AAA | Lc 86.7 | Fine for body text |
| #554D7A text on black | 2.72:1 | Fails | Lc -15.4 | 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
#EAE9F2
oklch(93.7% 0.012 291.3)
-
Step 200
200
#D9D7E8
oklch(88.6% 0.023 291.3)
-
Step 300
300
#C0BCDB
oklch(80.8% 0.043 291.3)
-
Step 400
400
#A099C8
oklch(70.6% 0.068 291.4)
-
Step 500
500
#8A80BA
oklch(63.1% 0.087 291.6)
-
Step 600
600
#7469A6
oklch(55.6% 0.094 291.3)
-
Step 700
700
#61578F
oklch(49.1% 0.089 291)
-
Step 800
800 (this color)
#554D7A
oklch(44.8% 0.073 291.3)
-
Step 900
900
#423C5E
oklch(37.8% 0.058 291.5)
-
Step 950
950
#262337
oklch(26.9% 0.037 290.6)
#554D7A 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) | #41547C | 0.034 |
| Deuteranopia (no green cones) | #415279 | 0.032 |
| Tritanopia (no blue cones) | #4D555E | 0.060 |
| Achromatopsia (no color) | #535353 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554D7A
#554D7A
oklch(44.8% 0.073 291.3)
- #565825
#565825
oklch(44.7% 0.072 111)
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 #554D7A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.022
- Twilight #4E518B ΔE 0.029
- Dusty Grape #545775 ΔE 0.033
- YInMn Blue #415A77 ΔE 0.047
- Denim Blue #3B5B92 ΔE 0.057
- Light Navy Blue #2E5A88 ΔE 0.059
- Dusky Blue #475F94 ΔE 0.060
- Dark Slate Blue #483D8B ΔE 0.062
Use #554D7A 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.