#513841
Closest named color: Charcoal Grey (#3C4142). oklch(37.2% 0.038 355.8), rgb(81, 56, 65).
Aa
White text reads best on this color (10.54:1).
About this color
#513841 is a dark, muted red. In OKLCH its lightness is 37%, its chroma 0.038 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.044 away. White text reads best on it, at 10.54:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | muted (0.038) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.99:1 |
| White text | 10.54:1 |
Values
| HEX | #513841 |
| RGB | rgb(81, 56, 65) |
| HSL | hsl(338, 18%, 27%) |
| OKLCH | oklch(37.2% 0.038 355.8) |
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 #513841 | 10.54:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #513841 | 1.99:1 | Fails | Lc 9.5 | Not readable |
| #513841 text on white | 10.54:1 | AAA | Lc 94.4 | Preferred for body text |
| #513841 text on black | 1.99:1 | Fails | Lc -8.2 | 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
#EFE8EA
oklch(93.7% 0.008 357.8)
-
Step 200
200
#E2D5D9
oklch(88.5% 0.015 356.7)
-
Step 300
300
#D1B9C1
oklch(80.8% 0.029 355.6)
-
Step 400
400
#B995A1
oklch(70.6% 0.046 356.4)
-
Step 500
500
#A77B8B
oklch(63.1% 0.059 355.3)
-
Step 600
600
#926475
oklch(55.7% 0.064 355.5)
-
Step 700
700
#7C5362
oklch(49.2% 0.058 355.8)
-
Step 800
800
#654450
oklch(42.8% 0.049 355.8)
-
Step 900
900 (this color)
#513841
oklch(37.2% 0.038 355.8)
-
Step 950
950
#302227
oklch(27.1% 0.023 355.5)
#513841 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) | #3B3C41 | 0.040 |
| Deuteranopia (no green cones) | #414140 | 0.039 |
| Tritanopia (no blue cones) | #55373B | 0.012 |
| Achromatopsia (no color) | #3F3F3F | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513841
#513841
oklch(37.2% 0.038 355.8)
- #2A473F
#2A473F
oklch(37.2% 0.038 174.8)
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 #513841, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.044
- Purple Brown #673A3F ΔE 0.044
- Onyx #343A40 ΔE 0.052
- Charcoal #264653 ΔE 0.074
- Dark Grey Blue #29465B ΔE 0.075
- Gunmetal #293241 ΔE 0.076
- Dark Blue Grey #1F3B4D ΔE 0.080
- Dark Slate Gray #2F4F4F ΔE 0.081
Use #513841 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.