#503F23
Closest named color: Mud Brown (#60460F). oklch(37.9% 0.049 79), rgb(80, 63, 35).
Aa
White text reads best on this color (10.11:1).
About this color
#503F23 is a dark, muted brown. In OKLCH its lightness is 38%, its chroma 0.049 and its hue 79°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.044 away. White text reads best on it, at 10.11:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | muted (0.049) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.07:1 |
| White text | 10.11:1 |
Values
| HEX | #503F23 |
| RGB | rgb(80, 63, 35) |
| HSL | hsl(37, 39%, 23%) |
| OKLCH | oklch(37.9% 0.049 79) |
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 #503F23 | 10.11:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #503F23 | 2.07:1 | Fails | Lc 10.5 | Not readable |
| #503F23 text on white | 10.11:1 | AAA | Lc 93.4 | Preferred for body text |
| #503F23 text on black | 2.07:1 | Fails | Lc -9.1 | 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
#F7F5F2
oklch(97.1% 0.005 78.3)
-
Step 100
100
#EEE9E2
oklch(93.6% 0.011 76.6)
-
Step 200
200
#E0D8CB
oklch(88.5% 0.02 80.1)
-
Step 300
300
#CEBEA7
oklch(80.9% 0.036 77)
-
Step 400
400
#B49D78
oklch(70.7% 0.058 79.4)
-
Step 500
500
#A28454
oklch(63% 0.075 78.5)
-
Step 600
600
#8D6E39
oklch(55.7% 0.081 79.3)
-
Step 700
700
#785B2B
oklch(49.1% 0.075 78.1)
-
Step 800
800
#614B25
oklch(42.7% 0.062 79.5)
-
Step 900
900 (this color)
#503F23
oklch(37.9% 0.049 79)
-
Step 950
950
#2F2515
oklch(27.1% 0.031 78.7)
#503F23 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) | #463F21 | 0.019 |
| Deuteranopia (no green cones) | #4A4324 | 0.015 |
| Tritanopia (no blue cones) | #563A38 | 0.042 |
| Achromatopsia (no color) | #424242 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503F23
#503F23
oklch(37.9% 0.049 79)
- #32435C
#32435C
oklch(38% 0.048 257.9)
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 #503F23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.044
- Charcoal Grey #3C4142 ΔE 0.054
- Dark Olive #373E02 ΔE 0.060
- Green Brown #544E03 ΔE 0.061
- Purple Brown #673A3F ΔE 0.068
- Onyx #343A40 ΔE 0.070
- Dark Slate Gray #2F4F4F ΔE 0.078
- Pakistan Green #283618 ΔE 0.080
Use #503F23 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.