#503B00
Closest named color: Dark Olive (#373E02). oklch(36.6% 0.075 86), rgb(80, 59, 0).
Aa
White text reads best on this color (10.67:1).
About this color
#503B00 is a dark, moderately saturated brown. In OKLCH its lightness is 37%, its chroma 0.075 and its hue 86°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.045 away. White text reads best on it, at 10.67:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.075) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.96:1 |
| White text | 10.67:1 |
Values
| HEX | #503B00 |
| RGB | rgb(80, 59, 0) |
| HSL | hsl(44, 100%, 16%) |
| OKLCH | oklch(36.6% 0.075 86) |
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 #503B00 | 10.67:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #503B00 | 1.96:1 | Fails | Lc 9.3 | Not readable |
| #503B00 text on white | 10.67:1 | AAA | Lc 94.6 | Preferred for body text |
| #503B00 text on black | 1.96:1 | 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
#EFE9DE
oklch(93.6% 0.016 82.8)
-
Step 200
200
#E2D8C2
oklch(88.4% 0.031 86.5)
-
Step 300
300
#D1BF98
oklch(81% 0.056 86.1)
-
Step 400
400
#BA9D5D
oklch(70.8% 0.09 85.8)
-
Step 500
500
#A88427
oklch(63.1% 0.115 86.5)
-
Step 600
600
#916D00
oklch(55.6% 0.114 85.6)
-
Step 700
700
#7A5C00
oklch(49.2% 0.101 86.4)
-
Step 800
800
#644B00
oklch(42.8% 0.087 86.6)
-
Step 900
900 (this color)
#503B00
oklch(36.6% 0.075 86)
-
Step 950
950
#312507
oklch(27.2% 0.048 86.6)
#503B00 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) | #443B00 | 0.023 |
| Deuteranopia (no green cones) | #494003 | 0.019 |
| Tritanopia (no blue cones) | #583431 | 0.067 |
| Achromatopsia (no color) | #3E3E3E | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503B00
#503B00
oklch(36.6% 0.075 86)
- #2C3D66
#2C3D66
oklch(36.6% 0.074 265.8)
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 #503B00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.045
- Mud Brown #60460F ΔE 0.047
- Green Brown #544E03 ΔE 0.058
- Pakistan Green #283618 ΔE 0.075
- Charcoal Grey #3C4142 ΔE 0.079
- Navy Green #35530A ΔE 0.081
- Chestnut #742802 ΔE 0.084
- Olive Brown #645403 ΔE 0.086
Use #503B00 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.