#552F40
Closest named color: Purple Brown (#673A3F). oklch(35.9% 0.06 352.3), rgb(85, 47, 64).
Aa
White text reads best on this color (11.24:1).
About this color
#552F40 is a dark, muted red. In OKLCH its lightness is 36%, its chroma 0.060 and its hue 352°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.051 away. White text reads best on it, at 11.24:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | muted (0.060) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.86:1 |
| White text | 11.24:1 |
Values
| HEX | #552F40 |
| RGB | rgb(85, 47, 64) |
| HSL | hsl(333, 29%, 26%) |
| OKLCH | oklch(35.9% 0.06 352.3) |
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 #552F40 | 11.24:1 | AAA | Lc -99.6 | Preferred for body text |
| Black text on #552F40 | 1.86:1 | Fails | Lc 8.1 | Not readable |
| #552F40 text on white | 11.24:1 | AAA | Lc 95.8 | Preferred for body text |
| #552F40 text on black | 1.86:1 | 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
#F1E6EB
oklch(93.5% 0.014 348)
-
Step 200
200
#E7D3DB
oklch(88.5% 0.025 351.4)
-
Step 300
300
#D9B5C3
oklch(80.9% 0.045 352.8)
-
Step 400
400
#C58EA5
oklch(70.7% 0.073 352.3)
-
Step 500
500
#B5728F
oklch(63.2% 0.092 352.5)
-
Step 600
600
#A05979
oklch(55.6% 0.101 352.4)
-
Step 700
700
#894966
oklch(49.2% 0.094 352.5)
-
Step 800
800
#6F3C53
oklch(42.7% 0.078 352.4)
-
Step 900
900 (this color)
#552F40
oklch(35.9% 0.06 352.3)
-
Step 950
950
#351E28
oklch(26.9% 0.039 352.4)
#552F40 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) | #333741 | 0.065 |
| Deuteranopia (no green cones) | #3D3D3F | 0.059 |
| Tritanopia (no blue cones) | #5A2E35 | 0.021 |
| Achromatopsia (no color) | #3B3B3B | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #552F40
#552F40
oklch(35.9% 0.06 352.3)
- #114739
#114739
oklch(35.9% 0.061 171.9)
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 #552F40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.051
- Onyx #343A40 ΔE 0.066
- Charcoal Grey #3C4142 ΔE 0.067
- Grape Purple #5D1451 ΔE 0.073
- Gunmetal #293241 ΔE 0.081
- Space Cadet #2B2D42 ΔE 0.082
- Burgundy #610023 ΔE 0.083
- Merlot #730039 ΔE 0.086
Use #552F40 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.