#554483
Closest named color: Dark Slate Blue (#483D8B). oklch(43.5% 0.102 294.2), rgb(85, 68, 131).
Aa
White text reads best on this color (8.26:1).
About this color
#554483 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.102 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.035 away. White text reads best on it, at 8.26:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.54:1 |
| White text | 8.26:1 |
Values
| HEX | #554483 |
| RGB | rgb(85, 68, 131) |
| HSL | hsl(256, 32%, 39%) |
| OKLCH | oklch(43.5% 0.102 294.2) |
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 #554483 | 8.26:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #554483 | 2.54:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #554483 text on white | 8.26:1 | AAA | Lc 88.4 | Fine for body text |
| #554483 text on black | 2.54:1 | Fails | Lc -13.8 | Not readable |
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
#F5F4FA
oklch(97% 0.008 293.9)
-
Step 100
100
#EAE8F5
oklch(93.6% 0.018 293.1)
-
Step 200
200
#DAD5ED
oklch(88.4% 0.033 295.3)
-
Step 300
300
#C2BAE4
oklch(80.9% 0.059 293.8)
-
Step 400
400
#A495D6
oklch(70.7% 0.095 294.4)
-
Step 500
500
#8E7ACB
oklch(63.1% 0.12 294)
-
Step 600
600
#7961B8
oklch(55.6% 0.132 294.4)
-
Step 700
700
#66509F
oklch(49.1% 0.123 294.2)
-
Step 800
800 (this color)
#554483
oklch(43.5% 0.102 294.2)
-
Step 900
900
#443867
oklch(37.6% 0.079 294)
-
Step 950
950
#28213C
oklch(26.9% 0.05 294.8)
#554483 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) | #2F4F85 | 0.058 |
| Deuteranopia (no green cones) | #324D81 | 0.055 |
| Tritanopia (no blue cones) | #4A505D | 0.083 |
| Achromatopsia (no color) | #4E4E4E | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554483
#554483
oklch(43.5% 0.102 294.2)
- #515600
#515600
oklch(43.4% 0.097 113.6)
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 #554483, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.035
- Twilight #4E518B ΔE 0.036
- Blueberry #464196 ΔE 0.042
- Dusk #4E5481 ΔE 0.046
- Rebecca Purple #663399 ΔE 0.062
- Dusty Grape #545775 ΔE 0.064
- Dusk Blue #26538D ΔE 0.069
- Denim Blue #3B5B92 ΔE 0.069
Use #554483 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.