#513133
Closest named color: Purple Brown (#673A3F). oklch(35.3% 0.047 15.7), rgb(81, 49, 51).
Aa
White text reads best on this color (11.43:1).
About this color
#513133 is a dark, muted red. In OKLCH its lightness is 35%, its chroma 0.047 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.055 away. White text reads best on it, at 11.43:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | muted (0.047) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.83:1 |
| White text | 11.43:1 |
Values
| HEX | #513133 |
| RGB | rgb(81, 49, 51) |
| HSL | hsl(356, 25%, 25%) |
| OKLCH | oklch(35.3% 0.047 15.7) |
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 #513133 | 11.43:1 | AAA | Lc -100.0 | Preferred for body text |
| Black text on #513133 | 1.83:1 | Fails | Lc 7.7 | Not readable |
| #513133 text on white | 11.43:1 | AAA | Lc 96.2 | Preferred for body text |
| #513133 text on black | 1.83:1 | 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
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F1E7E7
oklch(93.6% 0.011 17.4)
-
Step 200
200
#E6D4D5
oklch(88.5% 0.02 13.7)
-
Step 300
300
#D6B8B9
oklch(80.9% 0.035 15.6)
-
Step 400
400
#C19395
oklch(70.7% 0.056 15.7)
-
Step 500
500
#B1787B
oklch(63.2% 0.072 15.8)
-
Step 600
600
#9C6064
oklch(55.6% 0.078 15.6)
-
Step 700
700
#854F53
oklch(49.1% 0.073 15.3)
-
Step 800
800
#6C4144
oklch(42.7% 0.06 15.4)
-
Step 900
900 (this color)
#513133
oklch(35.3% 0.047 15.7)
-
Step 950
950
#342022
oklch(27% 0.031 12.8)
#513133 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) | #373633 | 0.050 |
| Deuteranopia (no green cones) | #3F3C32 | 0.046 |
| Tritanopia (no blue cones) | #572E32 | 0.014 |
| Achromatopsia (no color) | #3A3A3A | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513133
#513133
oklch(35.3% 0.047 15.7)
- #184343
#184343
oklch(35.3% 0.047 195.2)
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 #513133, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.055
- Onyx #343A40 ΔE 0.056
- Charcoal Grey #3C4142 ΔE 0.056
- Gunmetal #293241 ΔE 0.075
- Space Cadet #2B2D42 ΔE 0.079
- Chestnut #742802 ΔE 0.083
- Reddy Brown #6E1005 ΔE 0.085
- Dark Blue Grey #1F3B4D ΔE 0.088
Use #513133 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.