#513E2B
Closest named color: Charcoal Grey (#3C4142). oklch(37.9% 0.04 66.1), rgb(81, 62, 43).
Aa
White text reads best on this color (10.12:1).
About this color
#513E2B is a dark, muted brown. In OKLCH its lightness is 38%, its chroma 0.040 and its hue 66°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.047 away. White text reads best on it, at 10.12:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | muted (0.040) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.07:1 |
| White text | 10.12:1 |
Values
| HEX | #513E2B |
| RGB | rgb(81, 62, 43) |
| HSL | hsl(30, 31%, 24%) |
| OKLCH | oklch(37.9% 0.04 66.1) |
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 #513E2B | 10.12:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #513E2B | 2.07:1 | Fails | Lc 10.5 | Not readable |
| #513E2B text on white | 10.12:1 | AAA | Lc 93.5 | Preferred for body text |
| #513E2B text on black | 2.07:1 | Fails | Lc -9.0 | 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
#F7F5F3
oklch(97.1% 0.003 67.8)
-
Step 100
100
#EEE9E4
oklch(93.7% 0.009 67.7)
-
Step 200
200
#E1D7CE
oklch(88.5% 0.016 64.6)
-
Step 300
300
#CFBDAD
oklch(80.9% 0.03 64)
-
Step 400
400
#B69B81
oklch(70.7% 0.049 65.8)
-
Step 500
500
#A38261
oklch(63% 0.062 66.3)
-
Step 600
600
#8E6B48
oklch(55.5% 0.067 65.7)
-
Step 700
700
#795A39
oklch(49.2% 0.063 67.2)
-
Step 800
800
#624930
oklch(42.6% 0.051 65.7)
-
Step 900
900 (this color)
#513E2B
oklch(37.9% 0.04 66.1)
-
Step 950
950
#2F2419
oklch(27% 0.025 66.4)
#513E2B 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) | #443F2A | 0.024 |
| Deuteranopia (no green cones) | #49432B | 0.020 |
| Tritanopia (no blue cones) | #573A39 | 0.031 |
| Achromatopsia (no color) | #424242 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513E2B
#513E2B
oklch(37.9% 0.04 66.1)
- #304457
#304457
oklch(37.8% 0.041 247.7)
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 #513E2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.047
- Mud Brown #60460F ΔE 0.052
- Purple Brown #673A3F ΔE 0.057
- Onyx #343A40 ΔE 0.063
- Dark Olive #373E02 ΔE 0.070
- Green Brown #544E03 ΔE 0.071
- Dark Slate Gray #2F4F4F ΔE 0.074
- Chestnut #742802 ΔE 0.081
Use #513E2B 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.