#53373B
Closest named color: Purple Brown (#673A3F). oklch(37.1% 0.04 9.8), rgb(83, 55, 59).
Aa
White text reads best on this color (10.61:1).
About this color
#53373B is a dark, muted red. In OKLCH its lightness is 37%, its chroma 0.040 and its hue 10°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.042 away. White text reads best on it, at 10.61:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | muted (0.040) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.97:1 |
| White text | 10.61:1 |
Values
| HEX | #53373B |
| RGB | rgb(83, 55, 59) |
| HSL | hsl(351, 20%, 27%) |
| OKLCH | oklch(37.1% 0.04 9.8) |
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 #53373B | 10.61:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #53373B | 1.97:1 | Fails | Lc 9.4 | Not readable |
| #53373B text on white | 10.61:1 | AAA | Lc 94.6 | Preferred for body text |
| #53373B text on black | 1.97:1 | Fails | Lc -8.0 | 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
#F8F4F5
oklch(97.1% 0.004 360)
-
Step 100
100
#F0E7E8
oklch(93.5% 0.01 9.5)
-
Step 200
200
#E4D5D6
oklch(88.5% 0.017 12.8)
-
Step 300
300
#D3B9BC
oklch(80.9% 0.03 9.9)
-
Step 400
400
#BD959A
oklch(70.8% 0.048 10)
-
Step 500
500
#AB7A81
oklch(63.1% 0.062 9.5)
-
Step 600
600
#96636A
oklch(55.6% 0.067 10.5)
-
Step 700
700
#805259
oklch(49.2% 0.062 9.7)
-
Step 800
800
#684348
oklch(42.7% 0.052 10.6)
-
Step 900
900 (this color)
#53373B
oklch(37.1% 0.04 9.8)
-
Step 950
950
#322124
oklch(27% 0.027 7.3)
#53373B 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) | #3B3B3B | 0.044 |
| Deuteranopia (no green cones) | #42403A | 0.040 |
| Tritanopia (no blue cones) | #583538 | 0.011 |
| Achromatopsia (no color) | #3E3E3E | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #53373B
#53373B
oklch(37.1% 0.04 9.8)
- #244745
#244745
oklch(37.1% 0.041 190.8)
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 #53373B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.042
- Charcoal Grey #3C4142 ΔE 0.047
- Onyx #343A40 ΔE 0.055
- Gunmetal #293241 ΔE 0.080
- Charcoal #264653 ΔE 0.080
- Brownish Purple #76424E ΔE 0.082
- Dark Grey Blue #29465B ΔE 0.082
- Dark Slate Gray #2F4F4F ΔE 0.085
Use #53373B 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.