#513A41
Closest named color: Charcoal Grey (#3C4142). oklch(37.7% 0.034 358.9), rgb(81, 58, 65).
Aa
White text reads best on this color (10.33:1).
About this color
#513A41 is a dark, muted red. In OKLCH its lightness is 38%, its chroma 0.034 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.041 away. White text reads best on it, at 10.33:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | muted (0.034) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.03:1 |
| White text | 10.33:1 |
Values
| HEX | #513A41 |
| RGB | rgb(81, 58, 65) |
| HSL | hsl(342, 17%, 27%) |
| OKLCH | oklch(37.7% 0.034 358.9) |
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 #513A41 | 10.33:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #513A41 | 2.03:1 | Fails | Lc 10.0 | Not readable |
| #513A41 text on white | 10.33:1 | AAA | Lc 94.0 | Preferred for body text |
| #513A41 text on black | 2.03:1 | Fails | Lc -8.6 | 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
#F7F4F5
oklch(97% 0.003 354.7)
-
Step 100
100
#EEE8EA
oklch(93.6% 0.007 354.8)
-
Step 200
200
#E2D5D9
oklch(88.5% 0.015 356.7)
-
Step 300
300
#D0BAC0
oklch(80.9% 0.026 359.3)
-
Step 400
400
#B796A0
oklch(70.6% 0.042 358.1)
-
Step 500
500
#A57D89
oklch(63.2% 0.052 358.9)
-
Step 600
600
#906573
oklch(55.6% 0.059 358)
-
Step 700
700
#7A5460
oklch(49.1% 0.053 358.6)
-
Step 800
800
#63454E
oklch(42.7% 0.043 359.4)
-
Step 900
900 (this color)
#513A41
oklch(37.7% 0.034 358.9)
-
Step 950
950
#302226
oklch(27% 0.022 359.9)
#513A41 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) | #3D3E41 | 0.037 |
| Deuteranopia (no green cones) | #424240 | 0.035 |
| Tritanopia (no blue cones) | #55393C | 0.010 |
| Achromatopsia (no color) | #404040 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513A41
#513A41
oklch(37.7% 0.034 358.9)
- #2D4842
#2D4842
oklch(37.8% 0.035 178.8)
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 #513A41, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.041
- Purple Brown #673A3F ΔE 0.043
- Onyx #343A40 ΔE 0.052
- Charcoal #264653 ΔE 0.072
- Dark Grey Blue #29465B ΔE 0.073
- Dark Slate Gray #2F4F4F ΔE 0.076
- Gunmetal #293241 ΔE 0.078
- Brownish Purple #76424E ΔE 0.079
Use #513A41 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.