#503B09
Closest named color: Mud Brown (#60460F). oklch(36.6% 0.069 83.8), rgb(80, 59, 9).
Aa
White text reads best on this color (10.65:1).
About this color
#503B09 is a dark, muted brown. In OKLCH its lightness is 37%, its chroma 0.069 and its hue 84°. 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 10.65:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | muted (0.069) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 1.97:1 |
| White text | 10.65:1 |
Values
| HEX | #503B09 |
| RGB | rgb(80, 59, 9) |
| HSL | hsl(42, 80%, 17%) |
| OKLCH | oklch(36.6% 0.069 83.8) |
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 #503B09 | 10.65:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #503B09 | 1.97:1 | Fails | Lc 9.3 | Not readable |
| #503B09 text on white | 10.65:1 | AAA | Lc 94.6 | Preferred for body text |
| #503B09 text on black | 1.97:1 | Fails | Lc -8.0 | 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
#F8F5F0
oklch(97.1% 0.007 80.7)
-
Step 100
100
#EFE9DF
oklch(93.6% 0.015 80.7)
-
Step 200
200
#E2D8C4
oklch(88.5% 0.029 84.6)
-
Step 300
300
#D1BE9B
oklch(80.9% 0.052 82.7)
-
Step 400
400
#B99C63
oklch(70.6% 0.083 83.5)
-
Step 500
500
#A88333
oklch(63% 0.107 83.6)
-
Step 600
600
#936C00
oklch(55.6% 0.114 83.5)
-
Step 700
700
#7C5B00
oklch(49.2% 0.101 83.9)
-
Step 800
800
#664A00
oklch(42.8% 0.088 83.6)
-
Step 900
900 (this color)
#503B09
oklch(36.6% 0.069 83.8)
-
Step 950
950
#31240A
oklch(27% 0.044 82.1)
#503B09 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) | #443B02 | 0.024 |
| Deuteranopia (no green cones) | #49400C | 0.019 |
| Tritanopia (no blue cones) | #583432 | 0.063 |
| Achromatopsia (no color) | #3E3E3E | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503B09
#503B09
oklch(36.6% 0.069 83.8)
- #2C3E63
#2C3E63
oklch(36.7% 0.068 263.7)
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 #503B09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.047
- Dark Olive #373E02 ΔE 0.047
- Green Brown #544E03 ΔE 0.060
- Pakistan Green #283618 ΔE 0.074
- Charcoal Grey #3C4142 ΔE 0.074
- Chestnut #742802 ΔE 0.082
- Navy Green #35530A ΔE 0.083
- Onyx #343A40 ΔE 0.085
Use #503B09 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.