#503305
Closest named color: Dark Olive (#373E02). oklch(34.8% 0.07 72.4), rgb(80, 51, 5).
Aa
White text reads best on this color (11.55:1).
About this color
#503305 is a dark, moderately saturated brown. In OKLCH its lightness is 35%, its chroma 0.070 and its hue 72°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.056 away. White text reads best on it, at 11.55:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.070) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.81:1 |
| White text | 11.55:1 |
Values
| HEX | #503305 |
| RGB | rgb(80, 51, 5) |
| HSL | hsl(37, 88%, 17%) |
| OKLCH | oklch(34.8% 0.07 72.4) |
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 #503305 | 11.55:1 | AAA | Lc -100.1 | Preferred for body text |
| Black text on #503305 | 1.81:1 | Fails | Lc 7.5 | Not readable |
| #503305 text on white | 11.55:1 | AAA | Lc 96.4 | Preferred for body text |
| #503305 text on black | 1.81:1 | Fails | Lc 0.0 | 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
#F0E8DF
oklch(93.5% 0.015 70.9)
-
Step 200
200
#E6D7C5
oklch(88.6% 0.029 72.4)
-
Step 300
300
#D6BC9C
oklch(80.9% 0.052 72.7)
-
Step 400
400
#C19864
oklch(70.6% 0.084 72.4)
-
Step 500
500
#B17E36
oklch(63.1% 0.108 72.7)
-
Step 600
600
#9D6604
oklch(55.6% 0.118 72.1)
-
Step 700
700
#845500
oklch(49% 0.105 72.4)
-
Step 800
800
#6D4501
oklch(42.6% 0.091 71.8)
-
Step 900
900 (this color)
#503305
oklch(34.8% 0.07 72.4)
-
Step 950
950
#34230B
oklch(27.1% 0.045 73.1)
#503305 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) | #3D3500 | 0.039 |
| Deuteranopia (no green cones) | #443C06 | 0.034 |
| Tritanopia (no blue cones) | #582C2B | 0.058 |
| Achromatopsia (no color) | #393939 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503305
#503305
oklch(34.8% 0.07 72.4)
- #1C3B5D
#1C3B5D
oklch(34.6% 0.07 252.4)
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 #503305, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.056
- Mud Brown #60460F ΔE 0.066
- Pakistan Green #283618 ΔE 0.071
- Chestnut #742802 ΔE 0.076
- Charcoal Grey #3C4142 ΔE 0.079
- Green Brown #544E03 ΔE 0.083
- Chocolate Brown #411900 ΔE 0.083
- Onyx #343A40 ΔE 0.084
Use #503305 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.