#553743
Closest named color: Purple Brown (#673A3F). oklch(37.6% 0.046 353.9), rgb(85, 55, 67).
Aa
White text reads best on this color (10.42:1).
About this color
#553743 is a dark, muted red. In OKLCH its lightness is 38%, its chroma 0.046 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.039 away. White text reads best on it, at 10.42:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | muted (0.046) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.01:1 |
| White text | 10.42:1 |
Values
| HEX | #553743 |
| RGB | rgb(85, 55, 67) |
| HSL | hsl(336, 21%, 27%) |
| OKLCH | oklch(37.6% 0.046 353.9) |
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 #553743 | 10.42:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #553743 | 2.01:1 | Fails | Lc 9.8 | Not readable |
| #553743 text on white | 10.42:1 | AAA | Lc 94.1 | Preferred for body text |
| #553743 text on black | 2.01:1 | Fails | Lc -8.4 | 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
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#F0E7EA
oklch(93.6% 0.011 354.9)
-
Step 200
200
#E4D4DA
oklch(88.5% 0.019 352.7)
-
Step 300
300
#D4B8C2
oklch(80.9% 0.035 354.3)
-
Step 400
400
#BD93A3
oklch(70.7% 0.055 353.8)
-
Step 500
500
#AC788C
oklch(63.1% 0.07 354.5)
-
Step 600
600
#976076
oklch(55.6% 0.077 354.3)
-
Step 700
700
#814F64
oklch(49.1% 0.073 353.4)
-
Step 800
800
#694151
oklch(42.7% 0.06 354.3)
-
Step 900
900 (this color)
#553743
oklch(37.6% 0.046 353.9)
-
Step 950
950
#322027
oklch(26.9% 0.03 354.3)
#553743 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) | #3A3D43 | 0.050 |
| Deuteranopia (no green cones) | #414242 | 0.048 |
| Tritanopia (no blue cones) | #5A363B | 0.016 |
| Achromatopsia (no color) | #404040 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #553743
#553743
oklch(37.6% 0.046 353.9)
- #25493F
#25493F
oklch(37.5% 0.045 173.7)
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 #553743, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.039
- Charcoal Grey #3C4142 ΔE 0.052
- Onyx #343A40 ΔE 0.060
- Brownish Purple #76424E ΔE 0.075
- Dark Grey Blue #29465B ΔE 0.080
- Charcoal #264653 ΔE 0.081
- Gunmetal #293241 ΔE 0.083
- Dark Slate Gray #2F4F4F ΔE 0.087
Use #553743 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.