#552F45
Closest named color: Purple Brown (#673A3F). oklch(36.1% 0.064 345.1), rgb(85, 47, 69).
Aa
White text reads best on this color (11.17:1).
About this color
#552F45 is a dark, muted red. In OKLCH its lightness is 36%, its chroma 0.064 and its hue 345°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.054 away. White text reads best on it, at 11.17:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | muted (0.064) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.87:1 |
| White text | 11.17:1 |
Values
| HEX | #552F45 |
| RGB | rgb(85, 47, 69) |
| HSL | hsl(325, 29%, 26%) |
| OKLCH | oklch(36.1% 0.064 345.1) |
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 #552F45 | 11.17:1 | AAA | Lc -99.5 | Preferred for body text |
| Black text on #552F45 | 1.87:1 | Fails | Lc 8.3 | Not readable |
| #552F45 text on white | 11.17:1 | AAA | Lc 95.6 | Preferred for body text |
| #552F45 text on black | 1.87:1 | Fails | Lc 0.0 | 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 900.
-
Step 50
50
#F9F4F6
oklch(97.2% 0.006 350.8)
-
Step 100
100
#F1E6EC
oklch(93.5% 0.014 343.2)
-
Step 200
200
#E7D2DD
oklch(88.4% 0.027 344.7)
-
Step 300
300
#D8B5C8
oklch(80.9% 0.047 344.4)
-
Step 400
400
#C48EAB
oklch(70.8% 0.076 345.8)
-
Step 500
500
#B47197
oklch(63.2% 0.098 345.2)
-
Step 600
600
#9F5881
oklch(55.6% 0.107 345.5)
-
Step 700
700
#88486D
oklch(49.2% 0.099 345.7)
-
Step 800
800
#6E3B59
oklch(42.6% 0.082 344.9)
-
Step 900
900 (this color)
#552F45
oklch(36.1% 0.064 345.1)
-
Step 950
950
#351E2B
oklch(27% 0.041 345.3)
#552F45 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) | #323746 | 0.066 |
| Deuteranopia (no green cones) | #3B3D44 | 0.061 |
| Tritanopia (no blue cones) | #5A2F37 | 0.026 |
| Achromatopsia (no color) | #3B3B3B | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #552F45
#552F45
oklch(36.1% 0.064 345.1)
- #144835
#144835
oklch(36.1% 0.064 165.1)
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 #552F45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.054
- Grape Purple #5D1451 ΔE 0.068
- Onyx #343A40 ΔE 0.069
- Charcoal Grey #3C4142 ΔE 0.070
- Space Cadet #2B2D42 ΔE 0.082
- Gunmetal #293241 ΔE 0.082
- Merlot #730039 ΔE 0.086
- Burgundy #610023 ΔE 0.086
Use #552F45 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.