#503F2D
Closest named color: Charcoal Grey (#3C4142). oklch(38.1% 0.037 67.9), rgb(80, 63, 45).
Aa
White text reads best on this color (10.04:1).
About this color
#503F2D is a dark, muted brown. In OKLCH its lightness is 38%, its chroma 0.037 and its hue 68°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.044 away. White text reads best on it, at 10.04:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | muted (0.037) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.08:1 |
| White text | 10.04:1 |
Values
| HEX | #503F2D |
| RGB | rgb(80, 63, 45) |
| HSL | hsl(31, 28%, 25%) |
| OKLCH | oklch(38.1% 0.037 67.9) |
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 #503F2D | 10.04:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #503F2D | 2.08:1 | Fails | Lc 10.6 | Not readable |
| #503F2D text on white | 10.04:1 | AAA | Lc 93.3 | Preferred for body text |
| #503F2D text on black | 2.08:1 | Fails | Lc -9.2 | 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
#F7F5F3
oklch(97.1% 0.003 67.8)
-
Step 100
100
#EEE9E4
oklch(93.7% 0.009 67.7)
-
Step 200
200
#E0D7CF
oklch(88.4% 0.015 64.3)
-
Step 300
300
#CDBEAE
oklch(81% 0.028 69.2)
-
Step 400
400
#B49C83
oklch(70.7% 0.045 68.1)
-
Step 500
500
#A18364
oklch(63% 0.057 67.4)
-
Step 600
600
#8C6D4B
oklch(55.7% 0.062 68.6)
-
Step 700
700
#775B3C
oklch(49.2% 0.058 68.6)
-
Step 800
800
#614A32
oklch(42.7% 0.048 67.1)
-
Step 900
900 (this color)
#503F2D
oklch(38.1% 0.037 67.9)
-
Step 950
950
#2E241A
oklch(26.9% 0.023 66.6)
#503F2D 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) | #45402C | 0.020 |
| Deuteranopia (no green cones) | #49442D | 0.019 |
| Tritanopia (no blue cones) | #563B3A | 0.030 |
| Achromatopsia (no color) | #424242 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503F2D
#503F2D
oklch(38.1% 0.037 67.9)
- #334556
#334556
oklch(38.2% 0.037 247.4)
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 #503F2D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.044
- Mud Brown #60460F ΔE 0.052
- Purple Brown #673A3F ΔE 0.058
- Onyx #343A40 ΔE 0.062
- Dark Olive #373E02 ΔE 0.070
- Green Brown #544E03 ΔE 0.071
- Dark Slate Gray #2F4F4F ΔE 0.071
- Charcoal #264653 ΔE 0.080
Use #503F2D 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.