#504B37
Closest named color: Mud Brown (#60460F). oklch(41.2% 0.032 95.7), rgb(80, 75, 55).
Aa
White text reads best on this color (8.74:1).
About this color
#504B37 is a dark, muted brown. In OKLCH its lightness is 41%, its chroma 0.032 and its hue 96°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.047 away. White text reads best on it, at 8.74:1.
| Hue family | Browns |
| Lightness | dark (41%) |
| Chroma | muted (0.032) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.40:1 |
| White text | 8.74:1 |
Values
| HEX | #504B37 |
| RGB | rgb(80, 75, 55) |
| HSL | hsl(48, 19%, 26%) |
| OKLCH | oklch(41.2% 0.032 95.7) |
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 #504B37 | 8.74:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #504B37 | 2.40:1 | Fails | Lc 14.0 | Not readable |
| #504B37 text on white | 8.74:1 | AAA | Lc 90.0 | Fine for body text |
| #504B37 text on black | 2.40:1 | Fails | Lc -12.3 | 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 800.
-
Step 50
50
#F6F5F3
oklch(97% 0.003 84.6)
-
Step 100
100
#EBEAE6
oklch(93.7% 0.005 95.1)
-
Step 200
200
#DBD9D2
oklch(88.5% 0.01 93.6)
-
Step 300
300
#C4C1B3
oklch(80.9% 0.02 96.9)
-
Step 400
400
#A6A18C
oklch(70.7% 0.03 96)
-
Step 500
500
#908A6F
oklch(63.1% 0.039 96.9)
-
Step 600
600
#7B7458
oklch(55.8% 0.042 95.7)
-
Step 700
700
#676148
oklch(49.1% 0.038 96.2)
-
Step 800
800 (this color)
#504B37
oklch(41.2% 0.032 95.7)
-
Step 900
900
#454233
oklch(37.7% 0.025 98)
-
Step 950
950
#29261E
oklch(26.9% 0.015 89.9)
#504B37 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) | #4F4A36 | 0.004 |
| Deuteranopia (no green cones) | #514C38 | 0.004 |
| Tritanopia (no blue cones) | #544846 | 0.030 |
| Achromatopsia (no color) | #4B4B4B | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504B37
#504B37
oklch(41.2% 0.032 95.7)
- #464A5D
#464A5D
oklch(41.3% 0.032 275.6)
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 #504B37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.047
- Charcoal Grey #3C4142 ΔE 0.054
- Dark Slate Gray #2F4F4F ΔE 0.054
- Green Brown #544E03 ΔE 0.055
- Purple Brown #673A3F ΔE 0.068
- Olive Brown #645403 ΔE 0.069
- Pine #2B5D34 ΔE 0.074
- Dark Blue Green #005249 ΔE 0.078
Use #504B37 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.