#55379E
Closest named color: Rebecca Purple (#663399). oklch(43.1% 0.159 291.8), rgb(85, 55, 158).
Aa
White text reads best on this color (8.65:1).
About this color
#55379E is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.159 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.034 away. White text reads best on it, at 8.65:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.159) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.42:1 |
| White text | 8.65:1 |
Values
| HEX | #55379E |
| RGB | rgb(85, 55, 158) |
| HSL | hsl(257, 48%, 42%) |
| OKLCH | oklch(43.1% 0.159 291.8) |
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 #55379E | 8.65:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #55379E | 2.42:1 | Fails | Lc 14.8 | Not readable |
| #55379E text on white | 8.65:1 | AAA | Lc 89.2 | Fine for body text |
| #55379E text on black | 2.42:1 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#EAE7FB
oklch(93.6% 0.027 292.8)
-
Step 200
200
#D9D4F9
oklch(88.6% 0.051 291.5)
-
Step 300
300
#C1B6F8
oklch(80.9% 0.093 291.8)
-
Step 400
400
#A38DF5
oklch(70.6% 0.149 291.8)
-
Step 500
500
#8E6DF1
oklch(63.1% 0.19 291.5)
-
Step 600
600
#7A50DF
oklch(55.5% 0.207 291.8)
-
Step 700
700
#6740C2
oklch(49.1% 0.192 291.5)
-
Step 800
800 (this color)
#55379E
oklch(43.1% 0.159 291.8)
-
Step 900
900
#45307C
oklch(37.6% 0.123 292.2)
-
Step 950
950
#281D49
oklch(27% 0.079 291.8)
#55379E 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) | #004DA1 | 0.094 |
| Deuteranopia (no green cones) | #00499C | 0.093 |
| Tritanopia (no blue cones) | #3F4F65 | 0.127 |
| Achromatopsia (no color) | #4C4C4C | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55379E
#55379E
oklch(43.1% 0.159 291.8)
- #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 #55379E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.034
- Blueberry #464196 ΔE 0.035
- Dark Slate Blue #483D8B ΔE 0.040
- Chrysanthemum #560BAD ΔE 0.063
- Blue With A Hint Of Purple #533CC6 ΔE 0.065
- Imperial Purple #480CA8 ΔE 0.071
- Bluey Purple #6241C7 ΔE 0.073
- Blurple #5539CC ΔE 0.074
Use #55379E 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.