#554378
Closest named color: Twilight (#4E518B). oklch(42.6% 0.088 298.3), rgb(85, 67, 120).
Aa
White text reads best on this color (8.53:1).
About this color
#554378 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.088 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.045 away. White text reads best on it, at 8.53:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.088) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.46:1 |
| White text | 8.53:1 |
Values
| HEX | #554378 |
| RGB | rgb(85, 67, 120) |
| HSL | hsl(260, 28%, 37%) |
| OKLCH | oklch(42.6% 0.088 298.3) |
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 #554378 | 8.53:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #554378 | 2.46:1 | Fails | Lc 14.7 | Not readable |
| #554378 text on white | 8.53:1 | AAA | Lc 89.3 | Fine for body text |
| #554378 text on black | 2.46:1 | Fails | Lc -13.0 | 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
#EBE8F3
oklch(93.7% 0.015 298.6)
-
Step 200
200
#DBD5EA
oklch(88.4% 0.029 298.8)
-
Step 300
300
#C4BADE
oklch(80.9% 0.051 298)
-
Step 400
400
#A796CD
oklch(70.8% 0.081 298.5)
-
Step 500
500
#917BC0
oklch(63% 0.104 298)
-
Step 600
600
#7C63AD
oklch(55.6% 0.114 298.2)
-
Step 700
700
#695294
oklch(49.2% 0.105 298.5)
-
Step 800
800 (this color)
#554378
oklch(42.6% 0.088 298.3)
-
Step 900
900
#463961
oklch(37.7% 0.068 298)
-
Step 950
950
#292239
oklch(27.1% 0.043 297.5)
#554378 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) | #344C7A | 0.053 |
| Deuteranopia (no green cones) | #374C77 | 0.050 |
| Tritanopia (no blue cones) | #4E4C57 | 0.069 |
| Achromatopsia (no color) | #4C4C4C | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554378
#554378
oklch(42.6% 0.088 298.3)
- #4A5514
#4A5514
oklch(42.6% 0.088 118.7)
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 #554378, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.045
- Dark Slate Blue #483D8B ΔE 0.045
- Dusk #4E5481 ΔE 0.047
- Blueberry #464196 ΔE 0.057
- Dusty Grape #545775 ΔE 0.060
- YInMn Blue #415A77 ΔE 0.071
- Dusk Blue #26538D ΔE 0.075
- Rebecca Purple #663399 ΔE 0.075
Use #554378 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.