#552B40
Closest named color: Purple Brown (#673A3F). oklch(35.2% 0.068 349.9), rgb(85, 43, 64).
Aa
White text reads best on this color (11.62:1).
About this color
#552B40 is a dark, muted red. In OKLCH its lightness is 35%, its chroma 0.068 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.060 away. White text reads best on it, at 11.62:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | muted (0.068) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.80:1 |
| White text | 11.62:1 |
Values
| HEX | #552B40 |
| RGB | rgb(85, 43, 64) |
| HSL | hsl(330, 33%, 25%) |
| OKLCH | oklch(35.2% 0.068 349.9) |
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 #552B40 | 11.62:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #552B40 | 1.80:1 | Fails | Lc 7.4 | Not readable |
| #552B40 text on white | 11.62:1 | AAA | Lc 96.5 | Preferred for body text |
| #552B40 text on black | 1.80:1 | 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
#F2E6EB
oklch(93.6% 0.015 350.1)
-
Step 200
200
#E9D2DC
oklch(88.6% 0.029 349.5)
-
Step 300
300
#DBB4C5
oklch(80.9% 0.05 350.2)
-
Step 400
400
#C88CA8
oklch(70.8% 0.081 349.8)
-
Step 500
500
#B96E92
oklch(63.1% 0.105 350.3)
-
Step 600
600
#A4557D
oklch(55.6% 0.114 349.8)
-
Step 700
700
#8C4569
oklch(49.1% 0.106 350)
-
Step 800
800
#723956
oklch(42.7% 0.088 349.7)
-
Step 900
900 (this color)
#552B40
oklch(35.2% 0.068 349.9)
-
Step 950
950
#361D29
oklch(26.9% 0.043 350.2)
#552B40 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) | #2F3441 | 0.074 |
| Deuteranopia (no green cones) | #3A3B3F | 0.067 |
| Tritanopia (no blue cones) | #5A2A33 | 0.024 |
| Achromatopsia (no color) | #393939 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #552B40
#552B40
oklch(35.2% 0.068 349.9)
- #034635
#034635
oklch(35.1% 0.068 169.6)
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 #552B40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.060
- Grape Purple #5D1451 ΔE 0.064
- Onyx #343A40 ΔE 0.072
- Burgundy #610023 ΔE 0.076
- Charcoal Grey #3C4142 ΔE 0.076
- Merlot #730039 ΔE 0.080
- Space Cadet #2B2D42 ΔE 0.081
- Claret #680018 ΔE 0.082
Use #552B40 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.