#503903
Closest named color: Dark Olive (#373E02). oklch(36.1% 0.072 82.4), rgb(80, 57, 3).
Aa
White text reads best on this color (10.89:1).
About this color
#503903 is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.072 and its hue 82°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.047 away. White text reads best on it, at 10.89:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.072) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.92:1 |
| White text | 10.89:1 |
Values
| HEX | #503903 |
| RGB | rgb(80, 57, 3) |
| HSL | hsl(42, 93%, 16%) |
| OKLCH | oklch(36.1% 0.072 82.4) |
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 #503903 | 10.89:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #503903 | 1.92:1 | Fails | Lc 8.9 | Not readable |
| #503903 text on white | 10.89:1 | AAA | Lc 95.0 | Preferred for body text |
| #503903 text on black | 1.92:1 | Fails | Lc -7.6 | 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
#E3D8C3
oklch(88.5% 0.031 83.6)
-
Step 300
300
#D2BE99
oklch(80.9% 0.055 82.8)
-
Step 400
400
#BB9C60
oklch(70.7% 0.087 83)
-
Step 500
500
#AA822E
oklch(63% 0.111 82.4)
-
Step 600
600
#946B00
oklch(55.5% 0.114 82)
-
Step 700
700
#7D5A00
oklch(49.1% 0.101 82.2)
-
Step 800
800
#674900
oklch(42.7% 0.088 81.6)
-
Step 900
900 (this color)
#503903
oklch(36.1% 0.072 82.4)
-
Step 950
950
#312409
oklch(26.9% 0.045 82.8)
#503903 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) | #423900 | 0.028 |
| Deuteranopia (no green cones) | #483F06 | 0.022 |
| Tritanopia (no blue cones) | #58322F | 0.063 |
| Achromatopsia (no color) | #3D3D3D | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503903
#503903
oklch(36.1% 0.072 82.4)
- #283D63
#283D63
oklch(36.2% 0.071 261.5)
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 #503903, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.047
- Mud Brown #60460F ΔE 0.051
- Green Brown #544E03 ΔE 0.065
- Pakistan Green #283618 ΔE 0.073
- Charcoal Grey #3C4142 ΔE 0.077
- Chestnut #742802 ΔE 0.081
- Onyx #343A40 ΔE 0.087
- Navy Green #35530A ΔE 0.087
Use #503903 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.