#503B2C
Closest named color: Charcoal Grey (#3C4142). oklch(37.1% 0.038 56.8), rgb(80, 59, 44).
Aa
White text reads best on this color (10.48:1).
About this color
#503B2C is a dark, muted brown. In OKLCH its lightness is 37%, its chroma 0.038 and its hue 57°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.045 away. White text reads best on it, at 10.48:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | muted (0.038) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.00:1 |
| White text | 10.48:1 |
Values
| HEX | #503B2C |
| RGB | rgb(80, 59, 44) |
| HSL | hsl(25, 29%, 24%) |
| OKLCH | oklch(37.1% 0.038 56.8) |
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 #503B2C | 10.48:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #503B2C | 2.00:1 | Fails | Lc 9.6 | Not readable |
| #503B2C text on white | 10.48:1 | AAA | Lc 94.3 | Preferred for body text |
| #503B2C text on black | 2.00:1 | Fails | Lc -8.3 | 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
#EEE9E5
oklch(93.7% 0.008 61.4)
-
Step 200
200
#E2D7CF
oklch(88.6% 0.016 58.6)
-
Step 300
300
#D0BCAF
oklch(80.8% 0.029 55.2)
-
Step 400
400
#B89A85
oklch(70.8% 0.047 56.9)
-
Step 500
500
#A68167
oklch(63.2% 0.059 56.5)
-
Step 600
600
#906A4E
oklch(55.6% 0.064 57.4)
-
Step 700
700
#7B583F
oklch(49.1% 0.06 56.4)
-
Step 800
800
#644834
oklch(42.7% 0.049 56.5)
-
Step 900
900 (this color)
#503B2C
oklch(37.1% 0.038 56.8)
-
Step 950
950
#30231B
oklch(26.9% 0.025 53)
#503B2C 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) | #413D2B | 0.028 |
| Deuteranopia (no green cones) | #46412C | 0.025 |
| Tritanopia (no blue cones) | #563737 | 0.027 |
| Achromatopsia (no color) | #3F3F3F | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503B2C
#503B2C
oklch(37.1% 0.038 56.8)
- #2C4352
#2C4352
oklch(37% 0.039 237.8)
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 #503B2C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.045
- Purple Brown #673A3F ΔE 0.056
- Onyx #343A40 ΔE 0.058
- Mud Brown #60460F ΔE 0.061
- Dark Olive #373E02 ΔE 0.072
- Dark Slate Gray #2F4F4F ΔE 0.078
- Chestnut #742802 ΔE 0.080
- Green Brown #544E03 ΔE 0.081
Use #503B2C 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.