#513C39
Closest named color: Charcoal Grey (#3C4142). oklch(37.8% 0.03 27.9), rgb(81, 60, 57).
Aa
White text reads best on this color (10.21:1).
About this color
#513C39 is a dark, muted red. In OKLCH its lightness is 38%, its chroma 0.030 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.038 away. White text reads best on it, at 10.21:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | muted (0.030) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.05:1 |
| White text | 10.21:1 |
Values
| HEX | #513C39 |
| RGB | rgb(81, 60, 57) |
| HSL | hsl(7, 17%, 27%) |
| OKLCH | oklch(37.8% 0.03 27.9) |
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 #513C39 | 10.21:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #513C39 | 2.05:1 | Fails | Lc 10.2 | Not readable |
| #513C39 text on white | 10.21:1 | AAA | Lc 93.7 | Preferred for body text |
| #513C39 text on black | 2.05:1 | Fails | Lc -8.8 | 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
#F7F5F4
oklch(97.1% 0.003 48.7)
-
Step 100
100
#EEE8E7
oklch(93.5% 0.007 28.8)
-
Step 200
200
#E1D6D4
oklch(88.4% 0.012 29.9)
-
Step 300
300
#CFBBB9
oklch(80.8% 0.023 24.5)
-
Step 400
400
#B69994
oklch(70.8% 0.036 29.5)
-
Step 500
500
#A47F7A
oklch(63.1% 0.047 27.3)
-
Step 600
600
#8F6863
oklch(55.6% 0.051 27.1)
-
Step 700
700
#795752
oklch(49.1% 0.046 28.3)
-
Step 800
800
#634743
oklch(42.7% 0.039 28)
-
Step 900
900 (this color)
#513C39
oklch(37.8% 0.03 27.9)
-
Step 950
950
#2F2321
oklch(27% 0.019 29.3)
#513C39 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) | #403F39 | 0.031 |
| Deuteranopia (no green cones) | #454339 | 0.029 |
| Tritanopia (no blue cones) | #563A3B | 0.012 |
| Achromatopsia (no color) | #414141 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513C39
#513C39
oklch(37.8% 0.03 27.9)
- #2F474A
#2F474A
oklch(38% 0.03 205.8)
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 #513C39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.038
- Purple Brown #673A3F ΔE 0.044
- Onyx #343A40 ΔE 0.053
- Dark Slate Gray #2F4F4F ΔE 0.072
- Mud Brown #60460F ΔE 0.072
- Charcoal #264653 ΔE 0.073
- Dark Grey Blue #29465B ΔE 0.077
- Brownish Purple #76424E ΔE 0.082
Use #513C39 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.