#553D94
Closest named color: Blueberry (#464196). oklch(43.3% 0.137 292.5), rgb(85, 61, 148).
Aa
White text reads best on this color (8.46:1).
About this color
#553D94 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.137 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.026 away. White text reads best on it, at 8.46:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Blueberry (#464196) |
| Black text | 2.48:1 |
| White text | 8.46:1 |
Values
| HEX | #553D94 |
| RGB | rgb(85, 61, 148) |
| HSL | hsl(257, 42%, 41%) |
| OKLCH | oklch(43.3% 0.137 292.5) |
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 #553D94 | 8.46:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #553D94 | 2.48:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #553D94 text on white | 8.46:1 | AAA | Lc 88.8 | Fine for body text |
| #553D94 text on black | 2.48:1 | Fails | Lc -13.4 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#EAE7F9
oklch(93.6% 0.024 293.6)
-
Step 200
200
#D9D4F5
oklch(88.4% 0.045 292.4)
-
Step 300
300
#C1B8F1
oklch(81% 0.08 291.7)
-
Step 400
400
#A391E9
oklch(70.8% 0.127 292.2)
-
Step 500
500
#8E72E2
oklch(63% 0.164 292.6)
-
Step 600
600
#7958D0
oklch(55.6% 0.177 292.3)
-
Step 700
700
#6647B4
oklch(49% 0.165 292.3)
-
Step 800
800 (this color)
#553D94
oklch(43.3% 0.137 292.5)
-
Step 900
900
#443474
oklch(37.7% 0.106 292.1)
-
Step 950
950
#281F44
oklch(27% 0.067 292.5)
#553D94 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) | #084E97 | 0.088 |
| Deuteranopia (no green cones) | #124B92 | 0.084 |
| Tritanopia (no blue cones) | #445062 | 0.111 |
| Achromatopsia (no color) | #4D4D4D | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #553D94
#553D94
oklch(43.3% 0.137 292.5)
- #525500
#525500
oklch(43.2% 0.096 112.1)
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 #553D94, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.026
- Dark Slate Blue #483D8B ΔE 0.027
- Rebecca Purple #663399 ΔE 0.037
- Twilight #4E518B ΔE 0.057
- Dusk #4E5481 ΔE 0.074
- Cobalt #1E488F ΔE 0.076
- Blue With A Hint Of Purple #533CC6 ΔE 0.080
- Dusk Blue #26538D ΔE 0.082
Use #553D94 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.