#503D13
Closest named color: Mud Brown (#60460F). oklch(37.2% 0.063 84), rgb(80, 61, 19).
Aa
White text reads best on this color (10.40:1).
About this color
#503D13 is a dark, muted brown. In OKLCH its lightness is 37%, its chroma 0.063 and its hue 84°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.043 away. White text reads best on it, at 10.40:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | muted (0.063) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.01:1 |
| White text | 10.40:1 |
Values
| HEX | #503D13 |
| RGB | rgb(80, 61, 19) |
| HSL | hsl(41, 62%, 19%) |
| OKLCH | oklch(37.2% 0.063 84) |
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 #503D13 | 10.40:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #503D13 | 2.01:1 | Fails | Lc 9.9 | Not readable |
| #503D13 text on white | 10.40:1 | AAA | Lc 94.1 | Preferred for body text |
| #503D13 text on black | 2.01:1 | Fails | Lc -8.5 | 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
#F7F5F1
oklch(97.1% 0.006 84.6)
-
Step 100
100
#EEE9E0
oklch(93.5% 0.013 82.4)
-
Step 200
200
#E1D8C6
oklch(88.5% 0.026 84.6)
-
Step 300
300
#CFBF9E
oklch(80.9% 0.048 85.2)
-
Step 400
400
#B79D69
oklch(70.7% 0.076 84)
-
Step 500
500
#A5843E
oklch(63% 0.097 84)
-
Step 600
600
#906D18
oklch(55.5% 0.106 84.2)
-
Step 700
700
#7B5B07
oklch(49.1% 0.098 83.9)
-
Step 800
800
#644A0D
oklch(42.6% 0.081 83.3)
-
Step 900
900 (this color)
#503D13
oklch(37.2% 0.063 84)
-
Step 950
950
#30250E
oklch(27.1% 0.04 84)
#503D13 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) | #453D0E | 0.022 |
| Deuteranopia (no green cones) | #4A4215 | 0.018 |
| Tritanopia (no blue cones) | #573734 | 0.056 |
| Achromatopsia (no color) | #404040 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503D13
#503D13
oklch(37.2% 0.063 84)
- #2F3F62
#2F3F62
oklch(37.1% 0.064 264.8)
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 #503D13, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.043
- Dark Olive #373E02 ΔE 0.050
- Green Brown #544E03 ΔE 0.057
- Charcoal Grey #3C4142 ΔE 0.068
- Pakistan Green #283618 ΔE 0.076
- Onyx #343A40 ΔE 0.081
- Purple Brown #673A3F ΔE 0.081
- Navy Green #35530A ΔE 0.081
Use #503D13 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.