#55339E
Closest named color: Rebecca Purple (#663399). oklch(42.5% 0.164 292.6), rgb(85, 51, 158).
Aa
White text reads best on this color (8.92:1).
About this color
#55339E is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.164 and its hue 293°. 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 8.92:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.164) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.35:1 |
| White text | 8.92:1 |
Values
| HEX | #55339E |
| RGB | rgb(85, 51, 158) |
| HSL | hsl(259, 51%, 41%) |
| OKLCH | oklch(42.5% 0.164 292.6) |
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 #55339E | 8.92:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #55339E | 2.35:1 | Fails | Lc 14.1 | Not readable |
| #55339E text on white | 8.92:1 | AAA | Lc 89.9 | Fine for body text |
| #55339E text on black | 2.35:1 | Fails | Lc -12.4 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#EAE7FB
oklch(93.6% 0.027 292.8)
-
Step 200
200
#DAD3FA
oklch(88.5% 0.054 293.5)
-
Step 300
300
#C2B5FA
oklch(80.8% 0.097 292.7)
-
Step 400
400
#A58CF7
oklch(70.7% 0.154 292.8)
-
Step 500
500
#906BF3
oklch(63.1% 0.196 292.4)
-
Step 600
600
#7C4DE2
oklch(55.5% 0.214 292.5)
-
Step 700
700
#693DC4
oklch(49.1% 0.198 292.5)
-
Step 800
800 (this color)
#55339E
oklch(42.5% 0.164 292.6)
-
Step 900
900
#462F7E
oklch(37.7% 0.128 292.6)
-
Step 950
950
#291C4A
oklch(27% 0.082 293.1)
#55339E 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) | #004BA1 | 0.097 |
| Deuteranopia (no green cones) | #00489C | 0.096 |
| Tritanopia (no blue cones) | #3F4D64 | 0.130 |
| Achromatopsia (no color) | #4A4A4A | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55339E
#55339E
oklch(42.5% 0.164 292.6)
- #505300
#505300
oklch(42.5% 0.094 112.2)
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 #55339E, 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 0.041
- Dark Slate Blue #483D8B ΔE 0.044
- Chrysanthemum #560BAD ΔE 0.056
- Imperial Purple #480CA8 ΔE 0.064
- Blue With A Hint Of Purple #533CC6 ΔE 0.067
- Blurple #5539CC ΔE 0.075
- Bluey Purple #6241C7 ΔE 0.076
Use #55339E 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.