#55375C
Closest named color: Purple Brown (#673A3F). oklch(38.7% 0.072 319.9), rgb(85, 55, 92).
Aa
White text reads best on this color (10.06:1).
About this color
#55375C is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.072 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.064 away. White text reads best on it, at 10.06:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.072) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.08:1 |
| White text | 10.06:1 |
Values
| HEX | #55375C |
| RGB | rgb(85, 55, 92) |
| HSL | hsl(289, 25%, 29%) |
| OKLCH | oklch(38.7% 0.072 319.9) |
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 #55375C | 10.06:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #55375C | 2.08:1 | Fails | Lc 10.7 | Not readable |
| #55375C text on white | 10.06:1 | AAA | Lc 93.2 | Preferred for body text |
| #55375C text on black | 2.08:1 | Fails | Lc -9.3 | 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
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#EFE7F0
oklch(93.7% 0.015 322.3)
-
Step 200
200
#E2D3E6
oklch(88.5% 0.03 319.1)
-
Step 300
300
#D0B6D7
oklch(80.9% 0.054 319)
-
Step 400
400
#B98FC2
oklch(70.7% 0.086 320.3)
-
Step 500
500
#A773B3
oklch(63.2% 0.11 319.9)
-
Step 600
600
#925A9E
oklch(55.6% 0.12 320.4)
-
Step 700
700
#7C4A87
oklch(49.1% 0.11 320.2)
-
Step 800
800
#653D6E
oklch(42.7% 0.092 320.1)
-
Step 900
900 (this color)
#55375C
oklch(38.7% 0.072 319.9)
-
Step 950
950
#301F34
oklch(27% 0.045 319.8)
#55375C 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) | #32405D | 0.062 |
| Deuteranopia (no green cones) | #3A435B | 0.056 |
| Tritanopia (no blue cones) | #563B45 | 0.045 |
| Achromatopsia (no color) | #424242 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55375C
#55375C
oklch(38.7% 0.072 319.9)
- #2F4D28
#2F4D28
oklch(38.6% 0.07 139.8)
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 #55375C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.064
- Charcoal Grey #3C4142 ΔE 0.076
- Grape Purple #5D1451 ΔE 0.076
- Dark Grey Blue #29465B ΔE 0.079
- Onyx #343A40 ΔE 0.080
- Brownish Purple #76424E ΔE 0.081
- Dark Slate Blue #483D8B ΔE 0.081
- Charcoal #264653 ΔE 0.087
Use #55375C 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.