#503B01
Closest named color: Dark Olive (#373E02). oklch(36.6% 0.074 85.8), rgb(80, 59, 1).
Aa
White text reads best on this color (10.67:1).
About this color
#503B01 is a dark, moderately saturated brown. In OKLCH its lightness is 37%, its chroma 0.074 and its hue 86°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.046 away. White text reads best on it, at 10.67:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.074) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.96:1 |
| White text | 10.67:1 |
Values
| HEX | #503B01 |
| RGB | rgb(80, 59, 1) |
| HSL | hsl(44, 98%, 16%) |
| OKLCH | oklch(36.6% 0.074 85.8) |
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 #503B01 | 10.67:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #503B01 | 1.96:1 | Fails | Lc 9.3 | Not readable |
| #503B01 text on white | 10.67:1 | AAA | Lc 94.6 | Preferred for body text |
| #503B01 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
#E2D8C3
oklch(88.5% 0.03 85.6)
-
Step 300
300
#D1BF98
oklch(81% 0.056 86.1)
-
Step 400
400
#B99D5D
oklch(70.7% 0.089 86.5)
-
Step 500
500
#A88429
oklch(63.2% 0.114 86.2)
-
Step 600
600
#916D00
oklch(55.6% 0.114 85.6)
-
Step 700
700
#7A5B00
oklch(49% 0.1 85.4)
-
Step 800
800
#644B00
oklch(42.8% 0.087 86.6)
-
Step 900
900 (this color)
#503B01
oklch(36.6% 0.074 85.8)
-
Step 950
950
#312407
oklch(26.9% 0.047 84.1)
#503B01 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) | #494004 | 0.019 |
| Tritanopia (no blue cones) | #583431 | 0.067 |
| Achromatopsia (no color) | #3E3E3E | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503B01
#503B01
oklch(36.6% 0.074 85.8)
- #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 #503B01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.046
- Mud Brown #60460F ΔE 0.047
- Green Brown #544E03 ΔE 0.059
- Pakistan Green #283618 ΔE 0.074
- Charcoal Grey #3C4142 ΔE 0.079
- Navy Green #35530A ΔE 0.081
- Chestnut #742802 ΔE 0.084
- Olive Brown #645403 ΔE 0.086
Use #503B01 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.