#55396E
Closest named color: Dark Slate Blue (#483D8B). oklch(40.1% 0.092 307.1), rgb(85, 57, 110).
Aa
White text reads best on this color (9.55:1).
About this color
#55396E is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.092 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.053 away. White text reads best on it, at 9.55:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.092) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.19:1 |
| White text | 9.55:1 |
Values
| HEX | #55396E |
| RGB | rgb(85, 57, 110) |
| HSL | hsl(272, 32%, 33%) |
| OKLCH | oklch(40.1% 0.092 307.1) |
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 #55396E | 9.55:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #55396E | 2.19:1 | Fails | Lc 12.0 | Not readable |
| #55396E text on white | 9.55:1 | AAA | Lc 92.0 | Preferred for body text |
| #55396E text on black | 2.19:1 | Fails | Lc -10.4 | 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 900.
-
Step 50
50
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EDE7F5
oklch(93.7% 0.02 305.3)
-
Step 200
200
#E0D3ED
oklch(88.5% 0.038 308)
-
Step 300
300
#CCB5E4
oklch(80.8% 0.07 307)
-
Step 400
400
#B38ED6
oklch(70.7% 0.11 307.3)
-
Step 500
500
#A070CB
oklch(63.1% 0.141 307.1)
-
Step 600
600
#8B56B8
oklch(55.5% 0.154 307.1)
-
Step 700
700
#76469E
oklch(49.1% 0.142 307.1)
-
Step 800
800
#603A80
oklch(42.7% 0.117 307.2)
-
Step 900
900 (this color)
#55396E
oklch(40.1% 0.092 307.1)
-
Step 950
950
#2E1E3C
oklch(27% 0.058 307.5)
#55396E 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) | #2C4470 | 0.068 |
| Deuteranopia (no green cones) | #33456D | 0.062 |
| Tritanopia (no blue cones) | #51424E | 0.067 |
| Achromatopsia (no color) | #454545 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55396E
#55396E
oklch(40.1% 0.092 307.1)
- #3A5011
#3A5011
oklch(39.9% 0.091 127.1)
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 #55396E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.053
- Blueberry #464196 ΔE 0.071
- Twilight #4E518B ΔE 0.073
- Dusk #4E5481 ΔE 0.075
- Rebecca Purple #663399 ΔE 0.080
- Dusty Grape #545775 ΔE 0.084
- Dark Grey Blue #29465B ΔE 0.087
- Grape Purple #5D1451 ΔE 0.087
Use #55396E 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.