#554281
Closest named color: Dark Slate Blue (#483D8B). oklch(43% 0.102 295.7), rgb(85, 66, 129).
Aa
White text reads best on this color (8.45:1).
About this color
#554281 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.102 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.033 away. White text reads best on it, at 8.45:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.48:1 |
| White text | 8.45:1 |
Values
| HEX | #554281 |
| RGB | rgb(85, 66, 129) |
| HSL | hsl(258, 32%, 38%) |
| OKLCH | oklch(43% 0.102 295.7) |
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 #554281 | 8.45:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #554281 | 2.48:1 | Fails | Lc 15.0 | Dividers and decoration only |
| #554281 text on white | 8.45:1 | AAA | Lc 89.0 | Fine for body text |
| #554281 text on black | 2.48:1 | Fails | Lc -13.2 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EAE8F4
oklch(93.6% 0.016 293.7)
-
Step 200
200
#DAD5ED
oklch(88.4% 0.033 295.3)
-
Step 300
300
#C3B9E4
oklch(80.8% 0.061 295.7)
-
Step 400
400
#A594D6
oklch(70.6% 0.096 295.7)
-
Step 500
500
#9079CB
oklch(63.1% 0.122 295.6)
-
Step 600
600
#7B60B8
oklch(55.6% 0.134 295.9)
-
Step 700
700
#684F9E
oklch(49.1% 0.124 296.1)
-
Step 800
800 (this color)
#554281
oklch(43% 0.102 295.7)
-
Step 900
900
#453867
oklch(37.7% 0.079 295.1)
-
Step 950
950
#29213C
oklch(27.1% 0.05 296.6)
#554281 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) | #2D4D83 | 0.061 |
| Deuteranopia (no green cones) | #314C7F | 0.058 |
| Tritanopia (no blue cones) | #4B4E5B | 0.082 |
| Achromatopsia (no color) | #4D4D4D | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554281
#554281
oklch(43% 0.102 295.7)
- #4E5500
#4E5500
oklch(42.8% 0.097 115.1)
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 #554281, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.033
- Twilight #4E518B ΔE 0.042
- Blueberry #464196 ΔE 0.043
- Dusk #4E5481 ΔE 0.051
- Rebecca Purple #663399 ΔE 0.061
- Dusty Grape #545775 ΔE 0.068
- Dusk Blue #26538D ΔE 0.073
- Denim Blue #3B5B92 ΔE 0.075
Use #554281 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.