#513F45
Closest named color: Charcoal Grey (#3C4142). oklch(38.9% 0.027 356.5), rgb(81, 63, 69).
Aa
White text reads best on this color (9.78:1).
About this color
#513F45 is a dark close to neutral grey. In OKLCH its lightness is 39%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.037 away. White text reads best on it, at 9.78:1.
| Hue family | Neutrals |
| Lightness | dark (39%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.14:1 |
| White text | 9.78:1 |
Values
| HEX | #513F45 |
| RGB | rgb(81, 63, 69) |
| HSL | hsl(340, 12%, 28%) |
| OKLCH | oklch(38.9% 0.027 356.5) |
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 #513F45 | 9.78:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #513F45 | 2.14:1 | Fails | Lc 11.3 | Not readable |
| #513F45 text on white | 9.78:1 | AAA | Lc 92.7 | Preferred for body text |
| #513F45 text on black | 2.14:1 | Fails | Lc -9.8 | 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
#F7F5F5
oklch(97.2% 0.002 17.2)
-
Step 100
100
#EDE8EA
oklch(93.5% 0.006 350.8)
-
Step 200
200
#E0D6D9
oklch(88.5% 0.012 357)
-
Step 300
300
#CCBCC1
oklch(81% 0.019 356.6)
-
Step 400
400
#B299A1
oklch(70.8% 0.032 356.7)
-
Step 500
500
#9F808A
oklch(63.2% 0.041 357)
-
Step 600
600
#896974
oklch(55.6% 0.044 356.1)
-
Step 700
700
#755761
oklch(49.1% 0.042 356.9)
-
Step 800
800
#5F474F
oklch(42.6% 0.035 356.8)
-
Step 900
900 (this color)
#513F45
oklch(38.9% 0.027 356.5)
-
Step 950
950
#2E2327
oklch(27.1% 0.018 354.6)
#513F45 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) | #414245 | 0.029 |
| Deuteranopia (no green cones) | #454545 | 0.027 |
| Tritanopia (no blue cones) | #543E41 | 0.008 |
| Achromatopsia (no color) | #444444 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513F45
#513F45
oklch(38.9% 0.027 356.5)
- #364A44
#364A44
oklch(39% 0.027 174.4)
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 #513F45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.037
- Purple Brown #673A3F ΔE 0.042
- Onyx #343A40 ΔE 0.055
- Dark Slate Gray #2F4F4F ΔE 0.065
- Charcoal #264653 ΔE 0.066
- Dark Grey Blue #29465B ΔE 0.067
- Brownish Purple #76424E ΔE 0.074
- Dark Blue Grey #1F3B4D ΔE 0.081
Use #513F45 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.