#553F93
Closest named color: Blueberry (#464196). oklch(43.6% 0.133 292.1), rgb(85, 63, 147).
Aa
White text reads best on this color (8.33:1).
About this color
#553F93 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.133 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.025 away. White text reads best on it, at 8.33:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.133) |
| Temperature | in between |
| Nearest name | Blueberry (#464196) |
| Black text | 2.51:1 |
| White text | 8.33:1 |
Values
| HEX | #553F93 |
| RGB | rgb(85, 63, 147) |
| HSL | hsl(256, 40%, 41%) |
| OKLCH | oklch(43.6% 0.133 292.1) |
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 #553F93 | 8.33:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #553F93 | 2.51:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #553F93 text on white | 8.33:1 | AAA | Lc 88.5 | Fine for body text |
| #553F93 text on black | 2.51:1 | Fails | Lc -13.7 | 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
#EAE7F8
oklch(93.5% 0.023 294.1)
-
Step 200
200
#D9D5F4
oklch(88.6% 0.042 291.4)
-
Step 300
300
#C1B8EF
oklch(80.9% 0.077 292.1)
-
Step 400
400
#A291E7
oklch(70.6% 0.124 292)
-
Step 500
500
#8D74E0
oklch(63.1% 0.158 291.9)
-
Step 600
600
#785ACE
oklch(55.7% 0.172 291.8)
-
Step 700
700
#6649B2
oklch(49.2% 0.16 292.2)
-
Step 800
800 (this color)
#553F93
oklch(43.6% 0.133 292.1)
-
Step 900
900
#443573
oklch(37.8% 0.103 291.9)
-
Step 950
950
#281F43
oklch(27% 0.065 293)
#553F93 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) | #134F96 | 0.082 |
| Deuteranopia (no green cones) | #194C91 | 0.078 |
| Tritanopia (no blue cones) | #445163 | 0.107 |
| Achromatopsia (no color) | #4E4E4E | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #553F93
#553F93
oklch(43.6% 0.133 292.1)
- #535600
#535600
oklch(43.6% 0.097 112.1)
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 #553F93, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.025
- Dark Slate Blue #483D8B ΔE 0.027
- Rebecca Purple #663399 ΔE 0.040
- Twilight #4E518B ΔE 0.052
- Dusk #4E5481 ΔE 0.069
- Cobalt #1E488F ΔE 0.075
- Dusk Blue #26538D ΔE 0.078
- Denim Blue #3B5B92 ΔE 0.080
Use #553F93 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.