#503A18
Closest named color: Mud Brown (#60460F). oklch(36.5% 0.058 76), rgb(80, 58, 24).
Aa
White text reads best on this color (10.71:1).
About this color
#503A18 is a dark, muted brown. In OKLCH its lightness is 37%, its chroma 0.058 and its hue 76°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.051 away. White text reads best on it, at 10.71:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | muted (0.058) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 1.95:1 |
| White text | 10.71:1 |
Values
| HEX | #503A18 |
| RGB | rgb(80, 58, 24) |
| HSL | hsl(36, 54%, 20%) |
| OKLCH | oklch(36.5% 0.058 76) |
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 #503A18 | 10.71:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #503A18 | 1.95:1 | Fails | Lc 9.2 | Not readable |
| #503A18 text on white | 10.71:1 | AAA | Lc 94.7 | Preferred for body text |
| #503A18 text on black | 1.95:1 | Fails | Lc -7.9 | 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
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#EFE9E1
oklch(93.7% 0.013 75.4)
-
Step 200
200
#E3D7C8
oklch(88.5% 0.024 73.6)
-
Step 300
300
#D1BDA2
oklch(80.8% 0.043 75.3)
-
Step 400
400
#BA9B6F
oklch(70.7% 0.07 75.9)
-
Step 500
500
#A88248
oklch(63.1% 0.089 76.5)
-
Step 600
600
#946B29
oklch(55.7% 0.097 76)
-
Step 700
700
#7E591B
oklch(49.2% 0.09 76.1)
-
Step 800
800
#664919
oklch(42.7% 0.075 76.6)
-
Step 900
900 (this color)
#503A18
oklch(36.5% 0.058 76)
-
Step 950
950
#312411
oklch(27.1% 0.037 75.6)
#503A18 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) | #423B15 | 0.027 |
| Deuteranopia (no green cones) | #474019 | 0.024 |
| Tritanopia (no blue cones) | #573432 | 0.049 |
| Achromatopsia (no color) | #3E3E3E | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503A18
#503A18
oklch(36.5% 0.058 76)
- #2A3F5D
#2A3F5D
oklch(36.5% 0.059 257.3)
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 #503A18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.051
- Dark Olive #373E02 ΔE 0.055
- Charcoal Grey #3C4142 ΔE 0.063
- Green Brown #544E03 ΔE 0.068
- Pakistan Green #283618 ΔE 0.073
- Onyx #343A40 ΔE 0.074
- Purple Brown #673A3F ΔE 0.075
- Chestnut #742802 ΔE 0.078
Use #503A18 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.