#503D09
Closest named color: Mud Brown (#60460F). oklch(37.1% 0.07 86.9), rgb(80, 61, 9).
Aa
White text reads best on this color (10.43:1).
About this color
#503D09 is a dark, moderately saturated brown. In OKLCH its lightness is 37%, its chroma 0.070 and its hue 87°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.042 away. White text reads best on it, at 10.43:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.070) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.01:1 |
| White text | 10.43:1 |
Values
| HEX | #503D09 |
| RGB | rgb(80, 61, 9) |
| HSL | hsl(44, 80%, 17%) |
| OKLCH | oklch(37.1% 0.07 86.9) |
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 #503D09 | 10.43:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #503D09 | 2.01:1 | Fails | Lc 9.8 | Not readable |
| #503D09 text on white | 10.43:1 | AAA | Lc 94.1 | Preferred for body text |
| #503D09 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
#F7F5F0
oklch(97% 0.007 88.6)
-
Step 100
100
#EEE9DF
oklch(93.5% 0.014 84.6)
-
Step 200
200
#E1D8C4
oklch(88.4% 0.029 86.6)
-
Step 300
300
#CFBF9A
oklch(80.9% 0.053 87.4)
-
Step 400
400
#B79D61
oklch(70.6% 0.084 86.8)
-
Step 500
500
#A68531
oklch(63.2% 0.108 87)
-
Step 600
600
#906E00
oklch(55.7% 0.114 87.1)
-
Step 700
700
#795C00
oklch(49.1% 0.1 87.1)
-
Step 800
800
#644B00
oklch(42.8% 0.087 86.6)
-
Step 900
900 (this color)
#503D09
oklch(37.1% 0.07 86.9)
-
Step 950
950
#30250A
oklch(27.1% 0.044 86.7)
#503D09 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) | #463D01 | 0.021 |
| Deuteranopia (no green cones) | #4A420C | 0.018 |
| Tritanopia (no blue cones) | #583733 | 0.062 |
| Achromatopsia (no color) | #404040 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503D09
#503D09
oklch(37.1% 0.07 86.9)
- #2F3E65
#2F3E65
oklch(37% 0.07 267)
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 #503D09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.042
- Dark Olive #373E02 ΔE 0.047
- Green Brown #544E03 ΔE 0.054
- Charcoal Grey #3C4142 ΔE 0.074
- Pakistan Green #283618 ΔE 0.076
- Navy Green #35530A ΔE 0.078
- Olive Brown #645403 ΔE 0.081
- Chestnut #742802 ΔE 0.084
Use #503D09 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.