#553531
Closest named color: Purple Brown (#673A3F). oklch(36.6% 0.047 27.4), rgb(85, 53, 49).
Aa
White text reads best on this color (10.82:1).
About this color
#553531 is a dark, muted red. In OKLCH its lightness is 37%, its chroma 0.047 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.045 away. White text reads best on it, at 10.82:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | muted (0.047) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.93:1 |
| White text | 10.82:1 |
Values
| HEX | #553531 |
| RGB | rgb(85, 53, 49) |
| HSL | hsl(7, 27%, 26%) |
| OKLCH | oklch(36.6% 0.047 27.4) |
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 #553531 | 10.82:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #553531 | 1.93:1 | Fails | Lc 8.9 | Not readable |
| #553531 text on white | 10.82:1 | AAA | Lc 95.0 | Preferred for body text |
| #553531 text on black | 1.93:1 | Fails | Lc -7.7 | 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
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F1E7E6
oklch(93.6% 0.011 24.3)
-
Step 200
200
#E6D5D2
oklch(88.6% 0.019 29.6)
-
Step 300
300
#D7B9B4
oklch(81% 0.035 29)
-
Step 400
400
#C2948D
oklch(70.8% 0.057 28.5)
-
Step 500
500
#B17972
oklch(63.1% 0.072 27.2)
-
Step 600
600
#9C615A
oklch(55.6% 0.078 27.2)
-
Step 700
700
#85504A
oklch(49% 0.073 27)
-
Step 800
800
#6C423D
oklch(42.7% 0.06 27.2)
-
Step 900
900 (this color)
#553531
oklch(36.6% 0.047 27.4)
-
Step 950
950
#34211E
oklch(27.1% 0.03 29.2)
#553531 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) | #3C3931 | 0.047 |
| Deuteranopia (no green cones) | #444031 | 0.044 |
| Tritanopia (no blue cones) | #5C3134 | 0.019 |
| Achromatopsia (no color) | #3D3D3D | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #553531
#553531
oklch(36.6% 0.047 27.4)
- #1C464B
#1C464B
oklch(36.7% 0.047 205.8)
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 #553531, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.045
- Charcoal Grey #3C4142 ΔE 0.054
- Onyx #343A40 ΔE 0.061
- Chestnut #742802 ΔE 0.074
- Mud Brown #60460F ΔE 0.078
- Reddy Brown #6E1005 ΔE 0.084
- Gunmetal #293241 ΔE 0.086
- Brownish Purple #76424E ΔE 0.086
Use #553531 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.