#513D2E
Closest named color: Charcoal Grey (#3C4142). oklch(37.8% 0.037 58.2), rgb(81, 61, 46).
Aa
White text reads best on this color (10.20:1).
About this color
#513D2E is a dark, muted brown. In OKLCH its lightness is 38%, its chroma 0.037 and its hue 58°. 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 10.20:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | muted (0.037) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.05:1 |
| White text | 10.20:1 |
Values
| HEX | #513D2E |
| RGB | rgb(81, 61, 46) |
| HSL | hsl(26, 28%, 25%) |
| OKLCH | oklch(37.8% 0.037 58.2) |
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 #513D2E | 10.20:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #513D2E | 2.05:1 | Fails | Lc 10.3 | Not readable |
| #513D2E text on white | 10.20:1 | AAA | Lc 93.7 | Preferred for body text |
| #513D2E text on black | 2.05:1 | Fails | Lc -8.9 | 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
#EEE9E5
oklch(93.7% 0.008 61.4)
-
Step 200
200
#E1D7CF
oklch(88.5% 0.016 61.3)
-
Step 300
300
#CFBDAF
oklch(81% 0.028 60.3)
-
Step 400
400
#B79A86
oklch(70.7% 0.045 56.5)
-
Step 500
500
#A48167
oklch(63% 0.057 58.1)
-
Step 600
600
#8F6A4F
oklch(55.5% 0.062 57.2)
-
Step 700
700
#7A593F
oklch(49.2% 0.058 59.1)
-
Step 800
800
#634935
oklch(42.8% 0.047 58.6)
-
Step 900
900 (this color)
#513D2E
oklch(37.8% 0.037 58.2)
-
Step 950
950
#2F241B
oklch(27% 0.023 60.9)
#513D2E 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) | #433E2D | 0.026 |
| Deuteranopia (no green cones) | #48432E | 0.024 |
| Tritanopia (no blue cones) | #573939 | 0.027 |
| Achromatopsia (no color) | #414141 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513D2E
#513D2E
oklch(37.8% 0.037 58.2)
- #2F4553
#2F4553
oklch(37.8% 0.036 236.9)
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 #513D2E, 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 0.054
- Mud Brown #60460F ΔE 0.057
- Onyx #343A40 ΔE 0.060
- Dark Olive #373E02 ΔE 0.074
- Dark Slate Gray #2F4F4F ΔE 0.074
- Green Brown #544E03 ΔE 0.077
- Charcoal #264653 ΔE 0.081
Use #513D2E 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.