#503C33
Closest named color: Charcoal Grey (#3C4142). oklch(37.5% 0.032 45.4), rgb(80, 60, 51).
Aa
White text reads best on this color (10.31:1).
About this color
#503C33 is a dark, muted brown. In OKLCH its lightness is 38%, its chroma 0.032 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.039 away. White text reads best on it, at 10.31:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | muted (0.032) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.03:1 |
| White text | 10.31:1 |
Values
| HEX | #503C33 |
| RGB | rgb(80, 60, 51) |
| HSL | hsl(19, 22%, 26%) |
| OKLCH | oklch(37.5% 0.032 45.4) |
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 #503C33 | 10.31:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #503C33 | 2.03:1 | Fails | Lc 10.0 | Not readable |
| #503C33 text on white | 10.31:1 | AAA | Lc 93.9 | Preferred for body text |
| #503C33 text on black | 2.03:1 | Fails | Lc -8.6 | 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
#F7F5F4
oklch(97.1% 0.003 48.7)
-
Step 100
100
#EEE8E6
oklch(93.5% 0.007 39.5)
-
Step 200
200
#E1D7D2
oklch(88.6% 0.013 48.6)
-
Step 300
300
#CFBCB4
oklch(80.9% 0.024 44.3)
-
Step 400
400
#B69A8D
oklch(70.8% 0.038 46.4)
-
Step 500
500
#A48171
oklch(63.2% 0.049 45.8)
-
Step 600
600
#8E6A59
oklch(55.6% 0.053 46.4)
-
Step 700
700
#795849
oklch(49.1% 0.05 45.5)
-
Step 800
800
#62483C
oklch(42.6% 0.041 45.9)
-
Step 900
900 (this color)
#503C33
oklch(37.5% 0.032 45.4)
-
Step 950
950
#2F231E
oklch(26.9% 0.021 43.7)
#503C33 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) | #413E32 | 0.028 |
| Deuteranopia (no green cones) | #464233 | 0.025 |
| Tritanopia (no blue cones) | #55393A | 0.019 |
| Achromatopsia (no color) | #404040 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503C33
#503C33
oklch(37.5% 0.032 45.4)
- #2E454E
#2E454E
oklch(37.5% 0.032 224.3)
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 #503C33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.039
- Purple Brown #673A3F ΔE 0.050
- Onyx #343A40 ΔE 0.054
- Mud Brown #60460F ΔE 0.066
- Dark Slate Gray #2F4F4F ΔE 0.073
- Charcoal #264653 ΔE 0.076
- Dark Olive #373E02 ΔE 0.080
- Dark Grey Blue #29465B ΔE 0.082
Use #503C33 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.